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Geologic map of the Lower Marlboro quadrangle, Prince Georges and Calvert Counties, Maryland
Lower Marlboro quadrangle, Prince Georges and Calvert Counties, Maryland
1 map : color ; 58 x 45 cm., on sheet 84 x 69 cm.
by John D. Glaser ; map scribed by Margaret P. McCabe.
Relief shown by contours and spot heights.
Includes text, cross-section, location map, and English-metric conversion scale.