A field guide to Rocky Mountain wildflowers : from northern Arizona and New Mexico to British Columbia /
by John J. Craighead, Frank C. Craighead, [and] Ray J. Davis. Color plates by the authors. Drawings by Grant O. Hagen and Eduardo Salgado.
- Boston : Houghton Mifflin, c1963.
- xxxvi, 277 p. : ill. ; 19 cm.
- The Peterson field guide series, 14 .
- The Peterson field guide series, 14 .