Subsurface mapping /
Bishop, Margaret S.
Subsurface mapping / - New York : John Wiley, 1960. - ix, 198 p. : illus. ; 22 cm.
Geology--Maps.
551 / BIS 1960
Subsurface mapping / - New York : John Wiley, 1960. - ix, 198 p. : illus. ; 22 cm.
Geology--Maps.
551 / BIS 1960