DuMais, Richard. 50 Colorado ski tours / [electronic resource] / by Richard DuMais.. — Boulder, Colo. : : High Peak Pub.,, c1983.. — 129 p. : : ill., maps ; 23 cm.
Cross-country skiing--Colorado--Guidebooks.
Colorado--Guidebooks.
GV854.9.C7 / D8x
978.8