Showing 11 - 13 of 13 Records
[Comparative Estimates for French Creek Division Dams Nos. 7-11, Plans Nos. 2-3], n.d. (1 section)
- Name of creator(s): Land Office
- Forms Part of: [Series RG-017-YBCC-452] Map Books 1810-1881, undated
- Item
"Map of Conneaut Lake and its Environs Shewing the relative position of the Conneaut and Shenango summits. From surveys made in 1828. Drawn under the direction of J. Ferguson, Engineer of the French Creek Feeder by Vim. Pollock, Assistant Engr. (4 sections)
- Date: 1828
- Name of creator(s): Land Office
- Forms Part of: [Series RG-017-YBCC-452] Map Books 1810-1881, undated
- Item
"Plan for Improvements Around Columbia Basin, Reported by E. F. Gay and A.B. Warford, Engineers in pursuance of a resolution of the Canal Commissioners, dated March 15, 1833...," A.B. Warford, Engineer. (1 section)
- Date: March 15, 1833
- Name of creator(s): 29B
- Forms Part of: [Series RG-017-YBCC-452] Map Books 1810-1881, undated
- Item