(1968). Reconnaissance geologic map of the Madras quadrangle, Jefferson and Wasco counties, Oregon. U.S. Geological Survey.
Chicago Style (17th ed.) CitationReconnaissance Geologic Map of the Madras Quadrangle, Jefferson and Wasco Counties, Oregon. Washington, D.C: U.S. Geological Survey, 1968.
MLA (9th ed.) CitationReconnaissance Geologic Map of the Madras Quadrangle, Jefferson and Wasco Counties, Oregon. U.S. Geological Survey, 1968.
Warning: These citations may not always be 100% accurate.