Gordon, Paul, 1935- Bighorn Canyon / [electronic resource] / Paul Gordon.. — Helena, Mont. : : Falcon Press Pub.,, c1990.. — 32 p. : : ill. (some col.) ; 28 cm.
On cover: Bighorn Canyon National Recreation Area.
1560440414 (pbk.) 9781560440413 (pbk.)
91114391
Bighorn Canyon National Recreation Area (Mont. and Wyo.)
Bighorn Canyon National Recreation Area (Mont. and Wyo.)--Pictorial works.
F737.B49 / G67 1990
917.86/38