The composite locks : Chesapeake & Ohio Canal National Monument / by Edwin C. Bearss.

Author/creator Bearss, Edwin C. author.
Other author United States. Office of Archeology and Historic Preservation. Division of History, issuing body.
Format Electronic
Publication[Washington, D.C.] : Division of History, Office of Archeology and Historic Preservation, National Park Service, U.S. Department of the Interior, 1968.
Description1 online resource (iii, 108 pages) : illustrations
Supplemental Contenthttps://purl.fdlp.gov/GPO/gpo87219
Subjects

General note"March 31, 1968."
General note"Historic structures report, historical data section"--Cover.
General noteCRDP Program record.
Bibliography noteIncludes bibliographical references.
Source of descriptionDescription based on online resource; title from PDF title page (NPS, viewed Dec. 8, 2017).
Issued in other formPrint version: Bearss, Edwin C. Composite locks
GPO item number0624-E-01 (online)
Govt. docs number I 29.88:C 42/3