Natural Earth Map Maker

The group over at Natural Earth have put together a great collection of public domain map data and made it freely available online. There are numerous global datasets provided at several different scales. Bad news is most of the data is provided in SHP file format, which does not import directly into the free version [...]

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Historical T-Sheets

Historical T-Sheets are shoreline maps that were created in the late 1800 to early 1900s for major waterways and coastal areas of the United States. The T-Sheets contain information such as locations of buildings, names of shoreline features, and detailed descriptions of shorelines.

This collection contains over 250 maps covering the following locations:

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Sea Floor Off San Diego, California

A detailed map showing over 600 square miles of ocean floor off the coast of San Diego California. The map was created by the USGS from multi-beam bathymetric data. Several major physiographic features and depth contour lines are shown. In addition, there are several placemarks which include a detailed view and description of various [...]

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USGS Streamflow Gages

Real time stream monitoring gage data for the United States with data provided by the USGS. Simply click on a placemark to bring up data for that location. The data available varies by site, but typically includes parameters such as Discharge Volume and Stream Height.

This is a very large data file that [...]

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Puget Sound Bathymetric Map

Detailed bathymetric map of the southeastern part of the Puget Sound in Washington State.

For educational and personal use only. Not to be used for real world navigation.

KML Content Google Earth Library

Source Data Finlayson D.P. (2005) Combined bathymetry and topography of the Puget Lowland, Washington State. University of [...]

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Great Salt Lake Bathymetric Map

Bathymetric maps of the Great Salt Lake in Utah produced by Robert L. Baskin and David V. Allen, the U.S. Geological Survey, in cooperation with the Utah Department of Natural Resources, Division of Wildlife Resources from bathymetric data collected between 2002 and 2006.

KML Content Google Earth Library

Source Data Bathymetric [...]

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