See also these other guides for maps!
Topographic Maps Guide compiled by the Donald W. Hamer Center for Maps and GIS
Consult this comprehensive guide for Topographic Maps including US Geological Survey maps, library resources, and other resources.
Nautical Charts
Penn State has a near complete collection of nautical charts.
Use our guide on Aerial photographs.
Taken from satellites; resemble high-altitude aerial photographs
Keyword(s): remote sensing, satellite meteorology
In the same way that topographic maps represent the three-dimensional features (or relief) of overland terrain, bathymetric maps illustrate the land that lies underwater. Mostly coastal areas and very large lakes. Few rivers are mapped.