Collection search - St. Lawrence River Development. Cornwall dyke and Barnhart Island areas. H.E.P.C., D.O.T., U.S.C.E. & P.A.N.Y.S. Location of borings. The Hydro Electric Power Commission of Ontario, Generation Department. Trcd.: M.T., R.V. Chkd.: M.T. Supv.: E.G. Date: February 26, 1954. Dwg. no.: 160-3-2090. [Revision] Date: April 1/54.... Drwn.: M.T. Chkd: E.G. [cartographic material]
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Record information – Brief 
St. Lawrence River Development. Cornwall dyke and Barnhart Island areas. H.E.P.C., D.O.T., U.S.C.E. & P.A.N.Y.S. Location of borings. The Hydro Electric Power Commission of Ontario, Generation Department. Trcd.: M.T., R.V. Chkd.: M.T. Supv.: E.G. Date: February 26, 1954. Dwg. no.: 160-3-2090. [Revision] Date: April 1/54.... Drwn.: M.T. Chkd: E.G. [cartographic material]
Hierarchical level:ItemDate:1954Reference:Local class no.: R/412/1954, Box number: 2000696881Local class no.:R/412/1954Type of material:Maps and cartographic materialFound in:Archives / Collections and FondsItem ID number:4134412Context of this record: -
Record information – Details Date(s):1954Place:S.l.:Place of creation:CanadaPublisher:s.n.,Extent:1 map : Blackline print with Ms features ; 88.3 x 137.5.Language of material:EnglishAdditional name(s):Additional information:Subject heading:Source:Private -
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![St. Lawrence River Development. Cornwall dyke and Barnhart Island areas. H.E.P.C., D.O.T., U.S.C.E. & P.A.N.Y.S. Location of borings. The Hydro Electric Power Commission of Ontario, Generation Department. Trcd.: M.T., R.V. Chkd.: M.T. Supv.: E.G. Date: February 26, 1954. Dwg. no.: 160-3-2090. [Revision] Date: April 1/54.... Drwn.: M.T. Chkd: E.G.](/images/folder-80.png){kind=small}