Lewis and Clark, a legacy of science.
Shows facsimile of Lewis and Clark exploration map and contemporary physical map of approximately the same geographic coverage. Relief shown by hachures on facsimile map. Relief shown by shading and gradient tints on contemporary physical map. "The original Lewis and Clark map has been digitally enhanced and prepared by the U.S. Geological Survey. Reproduced from the original held in the Library of Congress, Geography ...
Lewis, Samuel - Clark, William - Harrison, Samuel - Geological Survey (U.S.)
Earthquakes and faults in the San Francisco Bay Area (1970-2003) / by Benjamin M. Sleeter ... [et al.].
Relief shown by shading. Depths shown by shading and gradient tints. "Landsat satellite image compiled by Benjamin M. Sleeter, U.S. Geological Survey, Mento Park. Bathymetry data compiled from a digital version of NOAA ... by Florence Wong." In lower right margin: 125 years of science for America, 1879-2004. Includes location map, tables of "Magnitute 5.0 and greater earthquakes" and "Explanation," source-material notes, and graph. ...
Sleeter, Benjamin M. - Wong, Florence L. - United States. National Oceanic and Atmospheric Administration - Geological Survey (U.S.)
Ecoregions of New York : [New York State]
Wall map (poster) showing physiographic regions in New York State. Does not show specific ecological features in map content (but mentions them in text). Relief shown by shading. Col. logotypes of joint map producers at head of legend: EPA -- USGS -- USDA NRCS. LC copy imperfect: Wrinkled, fold-lined. Includes text, brief-name indexed legend within map border, number-keyed descriptive index of regions in text ...
Geological Survey (U.S.) - Bryce, Sandra A. - United States. Environmental Protection Agency - United States. Natural Resources Conservation Service