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Elementary map and aerial photograph reading

Description: This manual covers elementary map reading, conventional signs and military symbols, distances and scales, directions adn azimuths, coordinates, relief, slopes, profiles and visibility, map reading in the field, and aerial photograph reading to an extent sufficient to permit soldiers adn platoon leaders to read aerial photographs and aerial mosaics.
Date: August 15, 1944
Creator: United States. War Department.
Partner: UNT Libraries Government Documents Department

A Descriptive Catalog of Selected Aerial Photographs of Geologic Features in the United States

Description: From introduction: The U.S. Geological Survey has selected and assembled sets of photographs that illustrate numerous types of geologic features in the United States. This catalog lists these special sets of photographs that are available for purchase and describes the features illustrated. One reduced photograph from each set is shown on the back pages of this catalog to assist the purchaser in his selection.
Date: 1968
Creator: Geological Survey (U.S.)
Partner: UNT Libraries Government Documents Department

Aerial Photographs in Geologic Interpretation and Mapping

Description: Abstract: Aerial photographs today are widely used to obtain both qualitative and quantitative geologic information; vertical aerial photographs are used almost to the exclusion of other types. Techniques and procedures described herein relate primarily to vertical photography.
Date: 1960
Creator: Ray, Richard G.
Partner: UNT Libraries Government Documents Department