Thomas, J. E. (2014). Chesapeake and Ohio Canal National Historical Park natural resource condition assessment: National Capital Region. U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science.
Chicago Style (17th ed.) CitationThomas, Jane E. Chesapeake and Ohio Canal National Historical Park Natural Resource Condition Assessment: National Capital Region. Fort Collins, Colorado: U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2014.
MLA (9th ed.) CitationThomas, Jane E. Chesapeake and Ohio Canal National Historical Park Natural Resource Condition Assessment: National Capital Region. U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2014.