{A } geologists sketch book : notes & drawings /
Content, Charles S.
geologists sketch book : notes & drawings / by C.S. Content. - New York: American Society of Civil Engineers, [1977?]. - [54] p. : ill. ; 22 cm.
Engineering geology
624.1510222
geologists sketch book : notes & drawings / by C.S. Content. - New York: American Society of Civil Engineers, [1977?]. - [54] p. : ill. ; 22 cm.
Engineering geology
624.1510222