Now showing items 1-3 of 3

    • Frederick Formation Geologic Columns 

      Reinhardt, J. (Baltimore: Maryland Geological Survey, 1974)
      This map is Plate 2 from Reinhardt, J., “Stratigraphy, Sedimentology, and Cambro-ordovician Paleogeography of the Frederick Valley, Maryland”. Baltimore: Maryland Geological Survey, 1973 (Report of Investigations No. 23).
    • Generalized Geologic Map of Baltimore and Harford Counties (Intrusive rocks omitted) 

      Crowley, W.P. (Baltimore: Maryland Geological Survey, 1976)
      This map is Plate 2 from Crowley, W.P., “The Geology of the Crystalline Rocks Near Baltimore and its Bearing on the Evolution of the Eastern Maryland Piedmont”. Baltimore: Maryland Geological Survey, 1976 (Report of ...
    • Geologic Map of the Frederick Valley 

      Reinhardt, J. (Baltimore: Maryland Geological Survey, 1974)
      This map is Plate 1 from Reinhardt, J., “Stratigraphy, Sedimentology, and Cambro-ordovician Paleogeography of the Frederick Valley, Maryland”. Baltimore: Maryland Geological Survey, 1973 (Report of Investigations No. 23).