Celebrated American caves;
Mohr, Charles E.,
Celebrated American caves; [electronic resource] edited by Charles E. Mohr and Howard N. Sloane, with a foreword by Alexander Wetmore. - New Brunswick, Rutgers University Press [1955] - xii, 339 p. illus., ports., map, diagrs. 23 cm.
55012228
Caves--United States.
GB604 / .M6
551.44
Celebrated American caves; [electronic resource] edited by Charles E. Mohr and Howard N. Sloane, with a foreword by Alexander Wetmore. - New Brunswick, Rutgers University Press [1955] - xii, 339 p. illus., ports., map, diagrs. 23 cm.
55012228
Caves--United States.
GB604 / .M6
551.44