[Letters concerning a map of the earthworks at Marietta, Ohio, entitled "A plan of the Indian antiquities discovered on the western waters anno 1785" ... ]
Published: 1932
Place of publication: Washington, D.C
Language: eng
Notes: Typewritten.

List of maps:-Plan of the remains of some ancient works on the Muskingum; by Joh. a Heart; a photostat copy from the Columbian magazine for 1787. 18 x 22 cm. on sheet 18 x 35 cm.-A plan of the Indian antiquities discovered on the western waters anno 1785. A photostat copy of map in the library of the National museum. This map has note on the back "drawn or copied by Wm. Livingston, January 1788. 36 x 31 cm.-A copy of the same map on a reduced scale, 23 x 18 cm.-A photostat of similar map in the Harvard college library. With typewritten description from the Harvard library notes, no. 19, Sept. 1927, p. 137-8. 40 x 31 cm.