Identification_Information: Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 199904 Title: Major Dams of the United States Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: Description: Abstract: This data set portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The data set was created by extracting dams 50 feet or more in height, or with a normal storage capacity of 5,000 acre-feet or more, or with a maximum storage capacity of 25,000 acre-feet or more, from the 75,187 dams in the U.S. Army Corps of Engineers National Inventory of Dams. Purpose: These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the U.S. Geological Survey in the use of these data. Supplemental_Information: In the online, interactive National Atlas of the United States, at scales smaller than 1:4,850,000 the data is thinned for display purposes. For scales between 1: 4,850,000 and 1:22,000,000, dams are only shown if they have a height of 500 feet or more, or a normal storage capacity of 50,000 acre-feet or more, or a maximum storage capacity of 250,000 acre-feet or more (1173 dams). At scales smaller than 1:22,000,000, dams are only shown if they have a height of 5000 feet or more, or a normal storage capacity of 500,000 acre-feet or more, or a maximum storage capacity of 2,500,000 acre-feet or more (240 dams). Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 1995 Ending_Date: 1996 Currentness_Reference: Publication date Status: Progress: Complete Maintenance_and_Update_Frequency: Irregular Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -162.928333 East_Bounding_Coordinate: -66.015000 North_Bounding_Coordinate: 68.068889 South_Bounding_Coordinate: 18.018056 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: Hydrography Theme_Keyword: Dams Theme_Keyword: Dam safety Theme_Keyword: Reservoirs Theme_Keyword: Reservoir capacity Theme_Keyword: Reservoir storage Theme_Keyword: Surface water Theme: Theme_Keyword_Thesaurus: Tri-Service Spatial Data Standard Theme_Keyword: Improvement Place: Place_Keyword_Thesaurus: None Place_Keyword: USA Place_Keyword: Alaska Place_Keyword: Alabama Place_Keyword: Arkansas Place_Keyword: Arizona Place_Keyword: California Place_Keyword: Colorado Place_Keyword: Connecticut Place_Keyword: Delaware Place_Keyword: Florida Place_Keyword: Georgia Place_Keyword: Hawaii Place_Keyword: Idaho Place_Keyword: Iowa Place_Keyword: Illinois Place_Keyword: Indiana Place_Keyword: Kansas Place_Keyword: Kentucky Place_Keyword: Louisiana Place_Keyword: Maine Place_Keyword: Massachusetts Place_Keyword: Maryland Place_Keyword: Michigan Place_Keyword: Minnesota Place_Keyword: Missouri Place_Keyword: Mississippi Place_Keyword: Montana Place_Keyword: North Carolina Place_Keyword: North Dakota Place_Keyword: Nebraska Place_Keyword: New Hampshire Place_Keyword: New Jersey Place_Keyword: New Mexico Place_Keyword: Nevada Place_Keyword: New York Place_Keyword: Ohio Place_Keyword: Oklahoma Place_Keyword: Oregon Place_Keyword: Pennsylvania Place_Keyword: Rhode Island Place_Keyword: South Carolina Place_Keyword: South Dakota Place_Keyword: Tennessee Place_Keyword: Texas Place_Keyword: United States Place_Keyword: Utah Place_Keyword: Vermont Place_Keyword: Virginia Place_Keyword: Wisconsin Place_Keyword: Washington Place_Keyword: West Virginia Place_Keyword: Wyoming Place_Keyword: Puerto Rico Place_Keyword: Virgin Islands Place_Keyword: U.S. Virgin Islands Access_Constraints: None Use_Constraints: None. Acknowledgment of the National Atlas of the United States of America would be appreciated in products derived from these data. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peg Rawson Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: Mailing address Address: 521 National Center City: Reston State_or_Province: VA Postal_Code: 20192 Contact_Voice_Telephone: 703-648-4183 Contact_Electronic_Mail_Address: atlasmail@usgs.gov Contact_Instructions: Please contact via electronic mail. Native_Data_Set_Environment: ESRI shapefile format Data_Quality_Information: Logical_Consistency_Report: None Completeness_Report: This file contains those dams from the National Inventory of Dams with a height of 50 feet or more, or with a normal storage capacity of 5000 acre- feet or more, or with a maximum storage capacity of 25,000 acre-feet or more. Dams outside of the 50 States, Puerto Rico, and the U.S. Virgin Islands are not included, nor are dams for which there is no positional information in the National Inventory of Dams. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: U.S. Army Corps of Engineers in cooperation with FEMA's National Dam Safety Program Publication_Date: 1996 Title: National Inventory of Dams, Water Control Infrastructure Publication_Information: Publication_Place: Washington, DC Publisher: FEMA National Dam Safety Program Type_of_Source_Media: CD-ROM Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 1995 Ending_Date: 1996 Source_Currentness_Reference: Publication date Source_Citation_Abbreviation: NID Source_Contribution: Spatial and attribute information Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1998 Title: Major Dams of the United States Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 1995 Ending_Date: 1996 Source_Currentness_Reference: Publication date of original source material Source_Citation_Abbreviation: NatlasDams Source_Contribution: Spatial and attribute information Process_Step: Process_Description: The dams in this file were selected from the National Inventory of Dams (NID). First, a subset of the attributes contained in the NID was selected based on input from the Army Corps of Engineers. Using an ArcView query, the dams with a height of 50 feet or more were selected, along with the dams with a normal storage capacity of 5,000 acre-feet or more, and those with a maximum storage capacity of 25,000 acre-feet or more. (The International Committee on Large Dams considers dams over 50 feet to be large dams. The USGS Water Resources Division considers large reservoirs to be those with a normal storage capacity of 5,000 acre-feet or more, or with a maximum storage capacity of 25,000 acre- feet or more.) The resulting data set was converted to an ArcView shape file using the "Convert to Shapefile" command. 33 dams that fell outside the 50 States were deleted (1 in Guam, 1 in the Trust Territories, and 31 in Puerto Rico), and 78 dams without coordinates were also deleted. Several misspelled county names were corrected, and the entries in the FIPS_cnty (County FIPS) field were cleaned up. For all dams with a valid county name but no County FIPS, the FIPS code was added based on the listed county name. If two county names were given, the FIPS code used was for the first one listed, or for the county in the listed State. Where the county name was invalid or missing, the county was determined by comparing the dam location to the National Atlas counties file. If the dam fell on a State line, the county name and FIPS code used were those appropriate for the listed State. The shape file was converted to an Arc/INFO coverage and then converted to NAD 83 for display purposes. The result was then converted back to shapefile format. Source_Used_Citation_Abbreviation: NID Process_Date: 1998 Source_Produced_Citation_Abbreviation: NatlasDams Process_Step: Process_Description: The dams in Puerto Rico and the U.S. Virgin Islands that met the criteria for large dams were selected from the NID. There were 31 dams in Puerto Rico and none in the U.S. Virgin Islands. The same attributes were selected as were used for NatlasDams. Both the Fips_state and Fips_cnty fields were blank for these dams, so the State FIPS code was entered, and the county FIPS code was entered where appropriate. One invalid county name was corrected by comparing the dam location to the National Atlas counties file. The resulting shapefile was converted to an Arc/INFO coverage, converted to NAD83 for display purposes, and merged with the NatlasDams data. The resulting file was then converted back to shapefile format. Source_Used_Citation_Abbreviation: NatlasDams Source_Used_Citation_Abbreviation: NID Process_Date: 1999 Spatial_Data_Organization_Information: Indirect_Spatial_Reference: U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas (FIPS 5-2): Washington, DC, National Institute of Standards and Technology. U.S. Department of Commerce, 1990, Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas (FIPS 6-4): Washington, DC, National Institute of Standards and Technology. Direct_Spatial_Reference_Method: Point Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Point Point_and_Vector_Object_Count: 7782 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.000278 Longitude_Resolution: 0.000278 Geographic_Coordinate_Units: Decimal degrees Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1983 Ellipsoid_Name: GRS1980 Semi-major_Axis: 6378137 Denominator_of_Flattening_Ratio: 298.257222 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: Dam Entity_Type_Definition: Any artificial barrier, including appurtenant works, which impounds or diverts water, and which (1) is twenty-five feet or more in height from the natural bed of the stream or watercourse measured at the downstream toe of the barrier, or from the lowest elevation of the outside limit of the barrier, if it is not across a stream channel or watercourse, to the maximum water storage elevation or (2) has an impounding capacity at maximum water storage elevation of fifty acre-feet or more. This Act does not apply to any such barrier which is not in excess of six feet in height, regardless of storage capacity or which has a storage capacity at maximum water storage elevation not in excess of fifteen acre-feet, regardless of height, unless such barrier, due to its location or other physical characteristic, is likely to pose a significant threat to human life or property in the event of its failure. Entity_Type_Definition_Source: Dam Safety Act of 1972 (P.L. 92-367) and Dam Safety Act of 1986 (P.L. 99-662) Attribute: Attribute_Label: Shape Attribute_Definition: The representation of the entity in the data. Attribute_Definition_Source: U.S. Geological Survey Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Point Enumerated_Domain_Value_Definition: 0-dimensional element Enumerated_Domain_Value_Definition_Source: ESRI GIS software Attribute: Attribute_Label: Area Attribute_Definition: The size of the shape in coverage units. Attribute_Definition_Source: U.S. Geological Survey Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.000 Range_Domain_Maximum: 0.000 Attribute: Attribute_Label: Perimeter Attribute_Definition: The perimeter of the shape in coverage units. Attribute_Definition_Source: U.S. Geological Survey Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.000 Range_Domain_Maximum: 0.000 Attribute: Attribute_Label: Dams00x020 Attribute_Definition: Internal feature number. Attribute_Definition_Source: U.S. Geological Survey Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 7782 Attribute: Attribute_Label: Nid_id Attribute_Definition: The official National Inventory of Dams identification number for the dam, known formerly as the National Id. The first two characters of the identity are the State two letter abbreviation, based on the location of the dam. The last five characters of the identity are a unique number (AB#####). Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: AK00001 Range_Domain_Maximum: WY83004 Attribute: Attribute_Label: Dam_name Attribute_Definition: The official name of the dam. For dams that do not have an official name, the popular name is used. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Unrepresentable_Domain: There is no predefined set of valid dam names. The attribute contains the official name of the dam, or the popular name if there is no official name. Attribute: Attribute_Label: Other_name Attribute_Definition: The reservoir name or names in common use other than the official name of the dam. Names are separated with semicolons. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Unrepresentable_Domain: There is no predefined set of reservoir or common use names. Attribute: Attribute_Label: Hazard Attribute_Definition: A term indicating the potential hazard to the downstream area resulting from failure or mis-operation of the dam or facilities. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Low Enumerated_Domain_Value_Definition: A dam where failure or mis-operation results in no probable loss of human life and low economic and/or environmental loss. Losses are principally limited to the owner's property. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Significant Enumerated_Domain_Value_Definition: A dam where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. These dams are often located in predominantly rural or agricultural areas but could be located in areas with population and significant infrastructure. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: High Enumerated_Domain_Value_Definition: A dam where failure or mis-operation will probably cause loss of human life. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Attribute: Attribute_Label: State_name Attribute_Definition: The name of the State in which the dam is located. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Codeset_Domain: Codeset_Name: Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas, FIPS PUB 5-2. Codeset_Source: U.S. Department of Commerce Attribute: Attribute_Label: County Attribute_Definition: The name of the County in which the dam is located. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Codeset_Domain: Codeset_Name: Counties and Equivalent Areas of the United States, Its Possessions, and Associated Areas, FIPS PUB 6-4. Codeset_Source: U.S. Department of Commerce Attribute: Attribute_Label: River Attribute_Definition: The official name of the river or stream on which the dam is built. If the stream is unnamed, it is identified as a tributary ("TR") to a named river. If the dam is located offstream, the name of the river or stream is entered plus "-OS" or "OFFSTREAM". Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Unrepresentable_Domain: There is no predefined set of valid river or stream names. Attribute: Attribute_Label: Prm_purpos Attribute_Definition: A term indicating the primary purpose for which reservoir is used. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Irrigation Enumerated_Domain_Value_Definition: The dam holds water for irrigation. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Hydroelectric Enumerated_Domain_Value_Definition: The dam holds water used for power generation. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Flood Control Enumerated_Domain_Value_Definition: The dam holds water in times of high stream flow, to protect downstream areas from flooding. The dam may normally hold a reservoir and also have capacity for flood control, or may hold water only for flood control. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Navigation Enumerated_Domain_Value_Definition: The dam controls stream flow to allow for navigation, or allows for navigation around an obstacle in a stream. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Water Supply Enumerated_Domain_Value_Definition: The dam holds water for domestic or commercial use. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Recreation Enumerated_Domain_Value_Definition: The dam holds a reservoir designed for recreational use. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Fire/Farm Pond Enumerated_Domain_Value_Definition: The dam holds water used for livestock, or used as a water supply in case of fire. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Fish & Wildlife Enumerated_Domain_Value_Definition: The dam holds a reservoir designed as a habitat for fish or other wildlife. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Debris Control Enumerated_Domain_Value_Definition: The dam catches debris in case of flash floods. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Tailings Enumerated_Domain_Value_Definition: The dam holds a pond containing, in aqueous form, ore and waste materials discarded in ore-treatment processes. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Other Enumerated_Domain_Value_Definition: The dam meets the selection criteria for dams but is used for a purpose other than irrigation, power generation, flood control, navigation, water supply, recreation, fire or farm water supply, fish & wildlife habitat, debris control, or holding tailings. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Attribute: Attribute_Label: Nid_damtyp Attribute_Definition: A term indicating the dam type as one of the following: Arch, Buttress, Gravity. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Arch Enumerated_Domain_Value_Definition: A concrete or masonry dam which is curved upstream so as to transmit the major part of the water load to the abutments. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Buttress Enumerated_Domain_Value_Definition: A dam consisting of a watertight part supported at intervals on the downstream side by a series of buttresses (reinforcing structures). Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Gravity Enumerated_Domain_Value_Definition: A dam constructed of concrete and/or masonry which relies on its weight and internal strength for stability. Includes all dams that are not either arch or buttress dams. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Attribute: Attribute_Label: Year_compl Attribute_Definition: The year when the main dam structure was completed. A value of 0 indicates that the year is unknown. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1800 Range_Domain_Maximum: 1995 Attribute: Attribute_Label: Nid_height Attribute_Definition: The maximum of either the dam height, the hydraulic height, or the structural height of the dam. A value of 0 indicates that the height is unknown. Attribute_Definition_Source: U.S. Geological Survey Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 3 Range_Domain_Maximum: 6200 Attribute: Attribute_Label: Own_type Attribute_Definition: A term indicating owner type. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Federal Enumerated_Domain_Value_Definition: The dam is owned by a Federal agency. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: State Enumerated_Domain_Value_Definition: The dam is owned by a State or by a State agency. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Local Gov't Enumerated_Domain_Value_Definition: The dam is owned by a County, City, Regional, or other similar local government or government agency. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Public Utility Enumerated_Domain_Value_Definition: The dam is owned by a public utility. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Enumerated_Domain: Enumerated_Domain_Value: Private Enumerated_Domain_Value_Definition: The dam is owned by an individual or individuals, or by a private company. Enumerated_Domain_Value_Definition_Source: U.S. Army Corps of Engineers Attribute: Attribute_Label: Near_city Attribute_Definition: The name of the nearest downstream city, town, or village that is most likely to be affected by floods resulting from the failure of the dam. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Unrepresentable_Domain: There is no predefined set of valid city names. Attribute: Attribute_Label: Owner Attribute_Definition: The name of the owner of the dam. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Unrepresentable_Domain: There is no predefined set of valid owner names. Attribute: Attribute_Label: Surf_area Attribute_Definition: The surface area, in acres, of the impoundment at its normal retention level. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.00 Range_Domain_Maximum: 20358400.0 Attribute: Attribute_Label: Drain_area Attribute_Definition: The drainage area of the dam in square miles. It is defined as the area that drains to a particular point (in this case, the dam) on a river or stream. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.00 Range_Domain_Maximum: 300000.00 Attribute: Attribute_Label: Norm_stor Attribute_Definition: The normal storage in acre-feet. Normal storage is the total storage space in a reservoir below the normal retention level, including dead and inactive storage and excluding any flood control surcharge storage. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.00 Range_Domain_Maximum: 9700000000.0 Attribute: Attribute_Label: Max_stor Attribute_Definition: The maximum storage in acre-feet. Maximum storage is the total storage space in a reservoir below the maximum attainable water surface elevation, including any surcharge storage. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.00 Range_Domain_Maximum: 9700000000.0 Attribute: Attribute_Label: Longitud_x Attribute_Definition: Dam longitude as a single value, in decimal degrees. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -162.928333 Range_Domain_Maximum: -66.015000 Attribute: Attribute_Label: Latitud_x Attribute_Definition: Dam latitude as a single value, in decimal degrees. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 18.018056 Range_Domain_Maximum: 68.068889 Attribute: Attribute_Label: Fips_state Attribute_Definition: The Federal Information Processing Standard (FIPS) code used by the U.S. Bureau of the Census for the State in which the dam is located. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Codeset_Domain: Codeset_Name: Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas; (Federal Information Processing Standard (FIPS) 5-2): Washington, DC, National Institute of Standards and Technology. Codeset_Source: U.S. Department of Commerce Attribute: Attribute_Label: Fips_cnty Attribute_Definition: The FIPS code used by the U.S. Bureau of the Census for the county in which the dam is located. Attribute_Definition_Source: U.S. Army Corps of Engineers Attribute_Domain_Values: Codeset_Domain: Codeset_Name: Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas; (Federal Information Processing Standard (FIPS) 6-4): Washington, DC, National Institute of Standards and Technology. Codeset_Source: U.S. Department of Commerce Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: Earth Science Information Center, U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: 507 National Center City: Reston State_or_Province: VA Postal_Code: 20192 Contact_Voice_Telephone: 1-888-ASK-USGS (1-888-275-8747) Contact_Voice_Telephone: 703-648-5920 Contact_Instructions: In addition to the address above there are other ESIC offices throughout the country. A full list of these offices is at . 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Metadata_Reference_Information: Metadata_Date: 20020220 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peg Rawson Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: 521 National Center City: Reston State_or_Province: VA Postal_Code: 20192 Contact_Voice_Telephone: 703-648-4183 Contact_Electronic_Mail_Address: atlasmail@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Security_Information: Metadata_Security_Classification_System: None Metadata_Security_Classification: Unclassified Metadata_Security_Handling_Description: None