United States. Army. Corps of Engineers. (1882). Portion of the Map of Military Department of the Columbia showing location of River Survey Sheets. (1882).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Army. Corps of Engineers. Portion of the Map of Military Department of the Columbia Showing Location of River Survey Sheets. (1882). Washington, D.C., Govt. Print. Off, 1882.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Army. Corps of Engineers. Portion of the Map of Military Department of the Columbia Showing Location of River Survey Sheets. (1882). 1882.
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