Animal tracks,
Mason, George Frederick, 1904-
Animal tracks, by George F. Mason. - New York, W. Morrow and co., 1943. - 95 p. illus. 21 cm.; 2.94.
Including drawings of tracks of many kinds of wild animals in North America with discussion of their habits, distribution, and appearance.
43011275
Tracking and trailing.
Animal life
Zoology--North America.
Animal tracks, by George F. Mason. - New York, W. Morrow and co., 1943. - 95 p. illus. 21 cm.; 2.94.
Including drawings of tracks of many kinds of wild animals in North America with discussion of their habits, distribution, and appearance.
43011275
Tracking and trailing.
Animal life
Zoology--North America.