Geological Survey (U.S.), United States. Environmental Protection Agency, Mercadante, A. M., Colman, J. A., & Buursink, M. L. (1999). Map showing morphometry, bathymetry, and soft-sediment thickness of Plow Shop Pond and Grove Pond, Ayer, Massachusetts. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. Environmental Protection Agency, A. M. Mercadante, John A. Colman, and M. L. Buursink. Map Showing Morphometry, Bathymetry, and Soft-sediment Thickness of Plow Shop Pond and Grove Pond, Ayer, Massachusetts. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 1999.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Map Showing Morphometry, Bathymetry, and Soft-sediment Thickness of Plow Shop Pond and Grove Pond, Ayer, Massachusetts. U.S. Department of the Interior, U.S. Geological Survey, 1999.