Cite
MLA (8th Edition)
Surficial Geologic Map of the Walden 30ʹ x 60ʹ Quadrangle, Jackson, Larimer, and Routt Counties, Colorado. The Survey, For sale by Map Distribution, 1991.
APA (7th Edition)
Surficial geologic map of the Walden 30ʹ x 60ʹ quadrangle, Jackson, Larimer, and Routt counties, Colorado. (1991). The Survey, For sale by Map Distribution.
Chicago (17th Edition)
“Surficial Geologic Map of the Walden 30ʹ x 60ʹ Quadrangle, Jackson, Larimer, and Routt Counties, Colorado.” Reston, Va.: The Survey, For sale by Map Distribution, 1991.