Stone, B. D. (1980). Surficial geologic map of the Worcester North quadrangle and part of the Paxton quadrangle, Worcester County, Massachusetts. The Survey.
Chicago Style (17th ed.) CitationStone, Byron D. Surficial Geologic Map of the Worcester North Quadrangle and Part of the Paxton Quadrangle, Worcester County, Massachusetts. Reston, Va.: The Survey, 1980.
MLA (9th ed.) CitationStone, Byron D. Surficial Geologic Map of the Worcester North Quadrangle and Part of the Paxton Quadrangle, Worcester County, Massachusetts. The Survey, 1980.
Warning: These citations may not always be 100% accurate.