Trimble, Stephen, 1950- Rim of time : : the canyons of Colorado National Monument / [electronic resource] / by Stephen Trimble.. — Fruita [Colo.] : : Colorado National Monument Association,, c1981.. — [28] p. : : col. ill. ; 31 cm.



Subjects--Topical Terms:
National parks and reserves--Colorado--Colorado National Monument.

Subjects--Geographic Terms:
Colorado National Monument (Colo.)
Mesa County (Colo.)--Description and travel.