1947. Blue line print.; Prepared under the supervision of C.J. Van Til. Scale approximately 1:65,000; Polyconic projection. The Project.
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1947. North Decimal Degree 90.000000. South Decimal Degree 0.000000. East Decimal Degree 180.000000. West Decimal Degree -180.000000. Polar stereogaphic ... St. Louis, Mo : Aeronautical Chart and Information Center, January 1947.
1947. This is one in a series of 455 mid 20th century fire insurance maps produced by the Fire Insurance Rating Organization of New Jersey. Municipal Fir...
1947. White, George W. (George Willard), 1903-1985. "Base from topographic maps of U.S. Geological Survey." by George W. White. Relief shown by contours and spot heights. Scale 1:62,500.
1947. Bownocker, J. A. 1865-1928. "First printing 1920, reprinted 1929. Reprinted 1947 with revision of glacial boundary by G.W. White and with changes in base map." compiled by J.A... Ohio. Division of Geological Survey.
1947. This is one in a series of 455 mid 20th century fire insurance maps produced by the Fire Insurance Rating Organization of New Jersey. Municipal Fir...
1947. International Heat Flow Commission, International Association of Seismology and Physics of the Earth's Interior, and Oklahoma State University. Department of Geography. Cartography Service. This point shapefile contains heat flow data for North America compiled from sources dating from 1947 to 2010. Heat flow is a measure of heat loss ... International Heat Flow Commission.
1947. Includes index to counties, cities and towns.; Text, ill., Transcontinental mileage chart, and ancillary maps of Indianapolis, Indiana; and Standar... H.M. Gousha.
1947. Geological Survey (U.S.). Contour interval 20 feet.;"Mapped by the Geological Survey, 1945.";Relief shown by contours and spot heights.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1947. Geological Survey (U.S.). Mapped by the Geological Survey, 1944;Contour interval 10 feet.";Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).