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The National Geodetic Survey (NGS), formerly part of the U.S. Coast and Geodetic Survey, has been performing Aeronautical surveys since the 1920's. NGS, in accordance with a series of interagency...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: May 16, 2026 at 10:51 PM -
The Tillamook Bay subbasins and Nehalem River basins encompass 1,369 and 2,207 respective square kilometers of northwestern Oregon and drain to the Pacific Ocean. The Tillamook, Trask, Wilson,...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 07:47 PM -
The Coquille River system is an unregulated system that encompasses 2,745 square kilometers of southwestern Oregon and flows into the Pacific Ocean near the town of Bandon, Oregon. Beginning in...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:58 PM -
The Tillamook Bay subbasins and Nehalem River basins encompass 1,369 and 2,207 respective square kilometers of northwestern Oregon and drain to the Pacific Ocean. The Tillamook, Trask, Wilson,...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 07:29 PM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken ordinarily in...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken 5/5/1988 and...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: June 26, 2026 at 03:42 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial photography taken 6/08/1994 and 6/10/1994 on...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: June 26, 2026 at 03:42 AM -
The Coquille River system is an unregulated system that encompasses 2,745 square kilometers of southwestern Oregon and flows into the Pacific Ocean near the town of Bandon, Oregon. Beginning in...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:54 PM -
Photography from helicopter (or plane) taken for the purposes of resource monitoring, specifically seabird colony status and distribution. The USFWS has conducted aerial surveys to photograph...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken ordinarily in...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken in June, 2012...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
The Tillamook Bay subbasins and Nehalem River basins encompass 1,369 and 2,207 respective square kilometers of northwestern Oregon and drain to the Pacific Ocean. The Tillamook, Trask, Wilson,...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: June 09, 2026 at 11:22 PM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken in June, 2006...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: June 26, 2026 at 03:42 AM -
The 8 km of shoreline from Punta Higuero to Punta Cadena in Rincón, Puerto Rico is experiencing long-term coastal erosion. This study documents historical shoreline changes at Rincón for the...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 08:14 PM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken June 2006 on...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 26, 2026 at 03:42 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken ordinarily in...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
The Coquille River system is an unregulated system that encompasses 2,745 square kilometers of southwestern Oregon and flows into the Pacific Ocean near the town of Bandon, Oregon. Beginning in...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 09, 2026 at 11:44 PM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial photography taken 6/08/1994 and 6/10/1994 at a...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken 5/5/1988 and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 26, 2026 at 03:42 AM -
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based photography taken in June, 2003...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 26, 2026 at 03:42 AM
