Cite
MLA (8th Edition)
Geologic Map of the Snoqualmie Pass 30 x 60 Minute Quadrangle, Washington. The Survey, Information Services distributor, 2000.
APA (7th Edition)
Geologic map of the Snoqualmie Pass 30 x 60 minute quadrangle, Washington. (2000). The Survey, Information Services distributor.
Chicago (17th Edition)
“Geologic Map of the Snoqualmie Pass 30 x 60 Minute Quadrangle, Washington.” Reston, VA: The Survey, Information Services distributor, 2000.