The fauna of the Moorefield shale of Arkansas /
Girty, George Herbert, 1869-1939.
The fauna of the Moorefield shale of Arkansas / by George H. Girty. - Washington, Govt. Print. Off., 1911. - 148 p. : 15 pl. ; 24 cm. - U.S. Geological survey. Bulletin 439 . - United States. Geological Survey. Bulletin ; 439. .
Includes index.
Bibliographical footnotes.
gs 11000100
Animals, Fossil--Arkansas.
Animals, Fossil--Mississippi.
QE75 / .B9 no. 439
The fauna of the Moorefield shale of Arkansas / by George H. Girty. - Washington, Govt. Print. Off., 1911. - 148 p. : 15 pl. ; 24 cm. - U.S. Geological survey. Bulletin 439 . - United States. Geological Survey. Bulletin ; 439. .
Includes index.
Bibliographical footnotes.
gs 11000100
Animals, Fossil--Arkansas.
Animals, Fossil--Mississippi.
QE75 / .B9 no. 439