Historic trail map of the Greeley 1⁰ x 2⁰ quadrangle, Colorado and Wyoming / U.S. Department of the Interior, U.S. Geological Survey ; by Glenn R. Scott and Carol Rein Shwayder
Series Titles:
Miscellaneous investigations series ; map I-2326 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2326.