Found 10 datasets matching filters.
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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: 5 | Published on: 2026-03-03 -
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: 2 | Published on: 2026-03-03 -
'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: 1 | Published on: 2026-03-03 -
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 | Published on: 2026-03-03 -
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: 0 | Published on: 2026-03-03 -
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: 0 | Published on: 2026-03-03 -
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: 0 | Published on: 2026-03-03 -
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: 0 | Published on: 2026-03-03