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Title: Plane table map of Papago Creek
Identifier(s): graphics:10; APSimg7686
Source: Ralph A. (Ralph Alger) Bagnold correspondence, 1956-1986, with Luna Bergere Leopold. (Mss.Ms.Coll.56);
Subject: Natural history; Maps
Date: n. d.

Title: Plane table map of Badger Creek.
Identifier(s): graphics:11; APSimg7687
Source: Ralph A. (Ralph Alger) Bagnold correspondence, 1956-1986, with Luna Bergere Leopold. (Mss.Ms.Coll.56);
Subject: Natural history; Maps
Date: n. d.