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Federal
H13968: NOS Hydrographic Survey , 2024-12-03
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
City
Contours 10ft 2016
City of Seattle —
2016 10-foot contour data derived from 3ft pixel bare earth rasters for the Seattle Area that were acquired and processed 02/24/2016 -03/28/2016 by Quantum Spatial...