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#1 Federal
H03997A: NOS Hydrographic Survey
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: January 01, 1900 at 12:00 AM
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 01:16 PM
#2 Federal
Relative surface artificial light at night map under clear skies of Lake Washington, Lake Sammamish, Sammamish Slough and the Ship Canal, WA
- Organization: Department of the Interior
- Dataset Last Updated: August 11, 2026 at 12:00 AM
This data is a measurement of relative light level along shorelines and pelagic habitat of Lake Washington, Lake Sammamish, Sammamish Slough and the Lake Washington Ship Canal. The data was...
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Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:49 PM
#3 Federal
H03998: NOS Hydrographic Survey , 1917-12-31
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: December 31, 1917 at 12:00 AM
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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- TIFF
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Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 03, 2026 at 01:16 PM

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H03997A: NOS Hydrographic Survey

Relative surface artificial light at night map under clear skies of Lake Washington, Lake Sammamish, Sammamish Slough and the Ship Canal, WA

H03998: NOS Hydrographic Survey , 1917-12-31