Geology of Vernon Parish,
Welch, Robert Newman, 1912-
Geology of Vernon Parish, by Robert N. Welch. - Baton Rouge, La., Dept. of Conservation, Louisiana Geological Survey, 1942. - xii, 90 p. illus.
At head of title: State of Louisiana. Dept. of Conservation. Folded map inserted.
Bibliography: p. [83]-86.
gs 42000207
Geology--Louisiana--Vernon Parish.
QE117 / .A22 no. 22
Geology of Vernon Parish, by Robert N. Welch. - Baton Rouge, La., Dept. of Conservation, Louisiana Geological Survey, 1942. - xii, 90 p. illus.
At head of title: State of Louisiana. Dept. of Conservation. Folded map inserted.
Bibliography: p. [83]-86.
gs 42000207
Geology--Louisiana--Vernon Parish.
QE117 / .A22 no. 22