Bouguer gravity anomalies : 20 milligal interval.

• Main Authors: Geological Survey (U.S.), Pecora, William T., Gerlach, Arch C., Overstreet, William B.
• Format: Map
• Language: unknown
• Published: United States Department of the Interior Geological Survey 1970
• Subjects: Physical; Nautical Charts; glaciers; Alaska
• Online Access: https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~341292~90109433; https://media.davidrumsey.com/MediaManager/srvr?mediafile=/Size4/RUMSEY~8~1/199/14359047.jpg

Physical map representing the United States, featuring gravity, seismology and geomagnetism, as of 1970. Shows gravity anomolies (positive and negative),political boundaries, bodies of water, coastlines, islands and bathymetry. Includes a legend, latitudinal and longitudinal lines, as well as a bar scale and scale statement. Presented with Albers Equal Area Projection. With two inset maps: Principal islands of Hawaii -- Alaska. Colored lithograph. Map is 21 x 31 cm, on sheet 49 x 35 cm. Accompanied by descriptive text. Appears in Special subject maps section, subsection Physical : Geophysical forces. The national atlas of the United States of America, by the United States Geological Survey; published in Washington D. C., 1970. Bound in navy blue board, with title printed in silver on both front cover and spine. Accompanied by envelope with six overlay sheets, tucked between final page and back cover of volume. Collation: [i-vi], vii-xiii, [1], 2-417, A1, A2, B1, B2, C, D. Atlas contains 770 maps and 18 charts. Includes a dedication, foreward, list of contributors, introduction, table of contents and index to map subjects. Topic covered: physical geography, history, economics, culture, administrative boundaries and cartography. In addition, atlas also provides maps of the world, as related to the United States. Maps show political boundaries, cities, railways, roads, topography, bodies of water, glaciers, drainage, coastlines, islands, water depths and time zones. Topical maps feature other details, such as history, geology, climate, agriculture, population, racial demographics (including indigenous peoples), religion, language and transportation. Some maps use data visualization to further illustrate geographical information, with charts overlaid upon the landscape. "Adapted from "About The National Atlas of the United States of America," by the U.S. Geological Survey: The National Atlas of the United States of America was published in 1970. It was designed to be of practical use to decision makers in ...