Cite
MLA (8th Edition)
Quaternary Geologic Map of the Sudbury 4° x 6° Quadrangle, United States and Canada. The Survey, For sale by Map Distribution, 1993.
APA (7th Edition)
Quaternary geologic map of the Sudbury 4° x 6° quadrangle, United States and Canada. (1993). The Survey, For sale by Map Distribution.
Chicago (17th Edition)
“Quaternary Geologic Map of the Sudbury 4° x 6° Quadrangle, United States and Canada.” Reston, VA: The Survey, For sale by Map Distribution, 1993.