book by Maryland Geological Survey published in 1900

1902 book by Maryland Geological Survey

book by George Bishop Sudworth

[Washington]Engraved and printed by the U.S. Geological Survey, 1913.

WashingtonGovt. Print. Off.1908

Washington,Govt. Print. Off.,1908. | New York Botanical Garden, LuEsther T. Mertz Library

Washington, D.C.: U.S. Dept. of Agriculture, 1918.

Washington, D.C.: U.S. Dept. of Agriculture, 1917.

Washington, D.C.: U.S. Dept. of Agriculture, 1915.

Washington,Govt. print. off.,1911. | Library of Congress

Washington, D.C.: U.S. Dept. of Agriculture, 1916.

[Washington, DC]: Dept. of Agriculture, 1897.