Search
Now showing items 1-2 of 2
Sand and Gravel Resources in Southern Maryland
(Baltimore: Maryland Geological Survey, 1971)
This map is Plate 4 from Glaser, J.D., “Geology and Mineral Resources of Southern Maryland”. Baltimore: Maryland Geological Survey, 1971 (Report of Investigations No. 15).
Structure Contours on top of the Marlboro Clay in Southern Maryland
(Baltimore: Maryland Geological Survey, 1971)
This map is Plate 2 from Glaser, J.D., “Geology and Mineral Resources of Southern Maryland”. Baltimore: Maryland Geological Survey, 1971 (Report of Investigations No. 15).