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Hydrographic sheets (H-sheets) and nautical charts produced by the National Ocean Service (NOS) during the 1800s provide historic sounding (water depth) measurements of coastal areas. The data can...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 09:14 PM -
Various data sets displayed on a 2km grid for the Play Fairway Analysis CA-NV-OR area. Grids at 2km, updated from 5km.
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: October 15, 2026 at 11:01 PM -
'High resolution orthorectified images combine the image characteristics of an aerial photograph with the geometric qualities of a map. An orthoimage is a uniform-scale image where corrections...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:57 PM -
Historical shoreline surveys were conducted by the National Ocean Service (NOS), dating back to the early 1800s. The maps resulting from these surveys, often called t-sheets, provide a reference...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:55 PM -
Historical shoreline surveys were conducted by the National Ocean Service (NOS), dating back to the early 1800s. The maps resulting from these surveys, often called t-sheets, provide a reference...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:56 PM -
Topographic sheets (t-sheets) produced by the National Ocean Service (NOS) during the 1800s provide the position of past shorelines. The shoreline data can be vectorized into a geographic...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:28 PM -
Hydrographic sheets (H-sheets) and nautical charts produced by the National Ocean Service (NOS) during the 1800s provide historic sounding (water depth) measurements of coastal areas. The data can...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:36 PM -
Topographic sheets (t-sheets) produced by the National Ocean Service (NOS) during the 1800s provide the position of past shorelines. The shoreline data can be vectorized into a geographic...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:01 PM -
Hydrographic sheets (H-sheets) and nautical charts produced by the National Ocean Service (NOS) during the 1800s provide historic sounding (water depth) measurements of coastal areas. The data can...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:23 PM
