Crowley, W. P. (1976). The geology of the crystalline rocks near Baltimore and its bearing on the evolution of the eastern Maryland piedmont. Dept. of Natural Resources, Maryland Geological Survey.
Chicago Style (17th ed.) CitationCrowley, William Patrick. The Geology of the Crystalline Rocks Near Baltimore and Its Bearing on the Evolution of the Eastern Maryland Piedmont. [Baltimore]: Dept. of Natural Resources, Maryland Geological Survey, 1976.
MLA (9th ed.) CitationCrowley, William Patrick. The Geology of the Crystalline Rocks Near Baltimore and Its Bearing on the Evolution of the Eastern Maryland Piedmont. Dept. of Natural Resources, Maryland Geological Survey, 1976.
Warning: These citations may not always be 100% accurate.