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Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
Federal
EnviroAtlas - Phosphorus application as manure for 2012 by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the application rate of phosphorus (P) as manure on croplands in the conterminous United States (excluding Hawaii and Alaska)... -
Federal
EnviroAtlas - Agricultural phosphorus balance for 2012 by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the mean phosphorus (P) balance between inorganic fertilizer and confined manure inputs and P crop removal on croplands in the... -
Federal
EnviroAtlas - Crop phosphorus removal by 12-digit HUC for 2012 for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the mean crop phosphorus (P) removal from croplands in the conterminous United States (excluding Hawaii and Alaska) for the... -
Federal
EnviroAtlas - Inorganic phosphorus fertilizer application for 2012 by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the application rate of inorganic phosphorus (P) fertilizer on agricultural land in the conterminous United States (excluding... -
Federal
Tern Island Approximate Sea Wall Sediment Sample Locations, Tern Island HI, 1999, US Coast Guard Civil Engineering Unit
U.S. Environmental Protection Agency —
This dataset was derived from CAD data originally published in URS Greiner Woodward Clyde, 1999, : Former U.S. Coast Guard LORAN Station, Tern Island, French Frigate...