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1:2,000,000-scale Hydrologic Units of the United States (SUPERSEDED)
This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for... -
1:2,000,000-scale Hydrologic Units of the United States (OLDER)
This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and... -
1:2,000,000-scale Hydrologic Units of the United States (OLDER)
This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and... -
1:2,000,000-scale Hydrologic Units of the United States (OLDER)
This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and... -
1:2,000,000-scale Hydrologic Units of the United States (SUPERSEDED)
This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for...