Now showing items 1-2 of 2

    • Sand and Gravel Resources in Southern Maryland 

      Glaser, J.D. (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 

      Glaser, J.D. (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).