Geological Survey (U.S.), United States. Environmental Protection Agency. Office of Research and Development., & Woods, A. J. (1998). Ecoregions of Indiana and Ohio. Reston, Va. : Denver Colo.: The Survey ; For sale by the Survey.
Chicago Style CitationGeological Survey (U.S.), United States. Environmental Protection Agency. Office of Research and Development, and Alan J. Woods. Ecoregions of Indiana and Ohio. Reston, Va. : Denver Colo.: The Survey ; For sale by the Survey, 1998.
MLA CitationGeological Survey (U.S.), United States. Environmental Protection Agency. Office of Research and Development, and Alan J. Woods. Ecoregions of Indiana and Ohio. Reston, Va. : Denver Colo.: The Survey ; For sale by the Survey, 1998.
Warning: These citations may not always be 100% accurate.