Description
This series consists of working copies of contract plans used by the Operations and Maintenance Division of the Department of Public Works and predecessor units. These "office copies" include attachments in the form of maps and plans detailing revisions and updates to original plans. Included are hydrologic data; maps and charts for lake elevations; buoy locations; hydrographs of the Oneida, Seneca, and Oswego rivers; charts of Cayuga and Oneida Lake elevations; and plans and related material for Barge Canal contracts.