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The Crude Oil Analysis (COA) database contains the digital data compilation of 9,076 crude oil analyses from samples collected from 1920 through 1983 from the United States and around the world...
Search relevance: 1.00 | Views last month: 43 | Catalog Last Checked: September 10, 2026 at 05:45 PM -
This USGS data release consists of three datasets representing three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:16 PM -
This dataset represents one of three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot delivered with NHDPlus V2.1. The...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:40 PM -
This USGS data release includes a shapefile of outlet point locations for selected 12-digit hydrologic units (HU12s) from the Watershed Boundary Dataset (WBD), dated August 13, 2020 (U.S....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:52 PM -
This dataset represents one of three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot delivered with NHDPlus V2.1. The...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:23 PM -
GIS shapefiles of cumulative watersheds models based on NETN's long-term water quality monitoring stations. Holdings include step-by-step instructions on how they were produced. Cumulative...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:15 PM -
This dataset represents one of three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot delivered with NHDPlus V2.1. The...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:01 PM
