| Identifier   | Title | Level of description | Date | Digital object |  | 
                            
            | 861 | Grand River Conservation Authority :  Whiteman Creek : small watershed management plan, February 17, 1969. | File | 1969 |  |  | 
                            
            | 862 | Grand River Conservation Authority :  Whiteman Creek : work programme for Whiteman Creek Watershed Management Plan, February 17, 1969. | File | 1969 |  |  | 
                            
            | 863 | Grand River Conservation Authority : Devil's Creek :  natural channel design and construction project : proposal. | File | February 11, 1998 |  |  | 
                            
            | 870 | Grand River Conservation Authority : general report on Mill Pond, Baden, Ontario : presented to Ilmar Kao, Director of Operations, Grand River Conservation Authority / by Harold P.A. Cockburn, November, 1970. | File | 1970 |  |  | 
                            
            | 871 | Grand River Conservation Authority : Caledonia Dam construction. | File | May 1979 |  |  | 
                            
            | 882 | Grand River Conservation Authority : flood warning system : revised, January 10, 1974. | File | 1974 |  |  | 
                            
            | 885 | Grand River Conservation Authority : Conestogo Reservoir : a preliminary water quality survey. | File | 1977 |  |  | 
                            
            | 902 | Grand River Conservation Authority : D'Aubigny Creek : habitat assessment and fishery inventory. | File | November 1990 |  |  | 
                            
            | 912 | Ontario : Ministry of Natural Resources : study on evolution of floodplain management. | File | 1975 |  |  | 
                            
            | 916 | Grand River Conservation Authority :  attendance and origin survey : summer day use recreation, 1972. | File | 1972 |  |  | 
                            
            | 925 | Grand River Conservation Authority : Brant Conservation Area : master plan / prepared by Alan D. Leach, January, 1978. | File | 1978 |  |  | 
                            
            | 742 | Hydro-Electric Power Commission of Ontario : Engineering Department : memorandum : Grand River Conservation project, June 16, 1938. | File | 1938 |  |  | 
                            
            | 746 | Grand River Conservation Authority : report of the Long-Range Planning Committee. | File | [after 1973] |  |  | 
                            
            | 747 | Grand Valley Conservation Authority : Whiteman Creek Project : development project. | File | 1963 |  |  | 
                            
            | 749a | Environmental Assessment : West Montrose Dam : newsclippings : volume 1 : March 5, 1975 to August 25, 1976. | File | 1975-1976 |  |  | 
                            
            | 756 | Grand River Conservation Authority : Conestogo River : report on the main street bridge over the Conestogo River, Village of Drayton, County of Wellington, Ont. | File | March 7, 1967 |  |  | 
                            
            | 764 | Grand Valley Conservation Authority : Speed River : flood protection : general contract for the construction of concrete culverts at Silver and Pond Creeks and sewer extensions at Bristol Street on the Speed River in the City of Guelph, Ont. :  information to bidders, forms and specifications. | File | March 21, 1958 |  |  | 
                            
            | 766 | Cambrige Dike : building inventory : phase 2. | File | 1983-[1984] |  |  | 
                            
            | 767 | Cambridge Dike :  building inventory : phase 3. | File | 1986 |  |  | 
                            
            | 776 | Grand Valley Conservation Authority and Grand River Conservation Authority : plans and applications for farm pond construction in the early 1960s. | File | 1954-1963 |  |  | 
                            
            | 789 | Some facts about the Grand River Valley. | File | [after 1934] |  |  | 
                            
            | 808 | Grand Valley Conservation Authority : Speed River : preliminary study on proposed Hespler Conservation Dam on the Speed River, Township of Guelph, Wellington County, Ont. | File | January 1965 |  |  | 
                            
            | 814 | Grand River Conservation Authority : Shade's Mills Reservoir : general contract : instructions to tenderers, forms, and specifications. | File | [1968?] |  |  | 
                            
            | 816 | Grand Valley Conservation Authority :  Speed River : report on flood control measures : for the City of Guelph, Ont. | File | December 1, 1955 |  |  | 
                            
            | 817 | Grand Valley Conservation Authority : Speed River : supplementary report on flood control measures : for the City of Guelph, Ont. | File | 1956-1957 |  |  | 
                            
            | 819 | Grand Valley Conservation Authority : Speed River : tender submission on sluice gates on the Speed River in the City of Guelph. | File | April 5, 1957 |  |  | 
                            
            | 821 | Grand Valley Conservation Authority : Speed River : the opening of the Wellington Street Dam : newsrelease and programme, October 8, [1957]. | File | [1957] |  |  | 
                            
            | 822 | Grand Valley Conservation Authority : report on improvements to pond, Township of Wellesley, Ontario. | File | February 1, 1955 |  |  | 
                            
            | 825 | Apps' Mill Conservation Area : information, 1976. | File | 1976 |  |  | 
                            
            | 847 | Field Center[sic] worksheets. | File | 1972 |  |  | 
                            
            | 853 | Grand River Conservation Authority : flood damages at Galt, Ont. | File | December 22, 1969 |  |  | 
                            
            | 857 | Grand River Conservation Authority : floodline mapping and flood control study : reports. | File | October 1975-May 1977 |  |  | 
                            
            | 864 | Riverpark Village : site A, Waterloo, Ontario : storm water management report : for Freure Homes Limited. | File | March 16, 1990 |  |  | 
                            
            | 866 | Grand River Conservation Authority :  effect of reservoir operations for flow augmentation, 1960-1974  : draft :  prepared for use in environmental assessment of water control structures in the Grand River Basin / by C.W. Stevens P.Eng., Operations Engineer,  and L.L. Turner. | File | 1974 |  |  | 
                            
            | 867 | Grand Valley Conservation Authority : Laurel Creek : report on proposed reservoir F. | File | December 19, 1960 |  |  | 
                            
            | 869 | Grand River Conservation Authority : development of the Ayr Pond, Ayr, Ontario, April, 1986. | File | 1986 |  |  | 
                            
            | 872 | Caledonia Dam, Woolwich Dam and Paris, Ontario gabion walls : album of photographs, May to June, 1979. | File | 1979 |  |  | 
                            
            | 875 | Grand River Conservation Commission : report on Luther Marsh storage on the Grand River. | File | May 1, 1950 |  |  | 
                            
            | 876 | Grand River Conservation Authority : Nith River : preliminary report on the proposed Nithburg Dam and Reservoir : draft. | File | July 1968 |  |  | 
                            
            | 878 | Grand Valley Conservation Authority : Laurel Creek : preliminary report on Laurel Creek project, City of Waterloo, Ontario. | File | April 12, 1954 |  |  | 
                            
            | 881 | Grand River Conservation Authority : report on the inspection and remedial measures for the Dunnville Dam : draft. | File | [198-] |  |  | 
                            
            | 883 | Grand River Conservation Authority : Belwood Reservoir : a preliminary water quality survey. | File | 1977 |  |  | 
                            
            | 888 | Grand River Conservation Authority : swimming areas : coliform report 1975. | File | 1975 |  |  | 
                            
            | 889 | Grand River Conservation Authority : Laurel Creek : summary of discussion paper on degradation of water quality in Laurel Creek Conservation Area. | File | April 12, 1978 |  |  | 
                            
            | 893 | Grand River Conservation Authority : erosion control on the Nith River Watershed : original draft. | File | December 1969 |  |  | 
                            
            | 896 | A quick and handy reference to : Regional Muncipality of Haldimand-Norfolk environmentally sensitive areas / by Chris Hart, Policy and Planning, March 10, 1990. | File | 1990 |  |  | 
                            
            | 897 | A quick and handy reference to : Hamilton-Wentworth Region environmentally sensitive areas / by Chris Hart, Policy and Planning,  March 10, 1990. | File | 1990 |  |  | 
                            
            | 898 | A quick and handy reference to : Regional Municipality of Halton environmentally sensitive areas. | File | March 10, 1990 |  |  | 
                            
            | 900 | Biological impacts of the proposed Ayr Dam. | File | March 1975 |  |  | 
                            
            | 904 | Grand River Conservation Authority : Bechtel Creek : habitat assessment and fishery inventory : draft. | File | November 1991 |  |  | 
                            
            | 906 | Grand River Benthic Macroinvertebrate Monitoring Program : prepared for peer review, Grand River Conservation Authority. | File | August 2001 |  |  | 
                            
            | 913 | Grand River Conservation Commission : report on improvement of the Grand River : part one : covering surveys and exploratory work, possible storage concentrations, recommended initial developments, low water flow, flood flow and supplementary storage capacity. | File | February 15, 1939 |  |  | 
                            
            | 914 | In the wake of Hurricane Hazel : a review of flood problems. | File | May 1955 |  |  | 
                            
            | 915 | Grand River Conservation Authority : weekly attendance survey, 1974. | File | 1974 |  |  | 
                            
            | 918 | Proposed Grand River Conservation Authority policies, guidelines and procedures for wetland management : staff report to the Land Use Water Management Advisory Board : discussion paper / prepared by B. Veale, Policy and Planning Division, and W. MacMillan and A.F. Smith, Water Management Divisions, December 6, 1989. | File | 1989 |  |  | 
                            
            | 923 | Apps' Mill Conservation Area : information : draft,  September 20, 1976. | File | 1976 |  |  | 
                            
            | 924 | Grand River Conservation Authority : Guelph Dam : conservation and recreation area : project outline : draft, October, 1974. | File | 1974 |  |  | 
                            
            | 741 | Grand River conservation lands study : first draft. | File | 1964 |  |  | 
                            
            | 749c | Environmental Assessment : West Montrose Dam : newsclippings : volume 3 : June 1, 1977 to August 9, 1978. | File | 1977-1978 |  |  | 
                            
            | 752 | Lake Erie pipeline, 1967 | File | 1967 |  |  | 
                            
            | 758 | [Grand River Conservation Authority?] : report on channel improvements on the Grand and Nith Rivers in Paris, Ontario. | File | February 1978 |  |  | 
                            
            | 760 | Grand Valley Conservation Authority : Speed River : contract documents for the construction of Edinburgh Road bridge on the Speed River in the City of Guelph, Ont. : information to bidders, forms and specifications. | File | April 11, 1957 |  |  | 
                            
            | 768 | Grand River Conservation Authority : Nith River erosion study. | File | 1970 |  |  | 
                            
            | 770 | A summary table of elevations and flow rates, October 15-16, 1954. | File | 1954 |  |  | 
                            
            | 771 | Water supply in the Middle Grand Region. | File | [197-?] |  |  | 
                            
            | 773 | Grand River Conservation Authority : report on flood control operations, April 17-25, 1975. | File | 1975 |  |  | 
                            
            | 780 | The West Montrose Dam : a general engineering design : for major project third year Civil Technology, Conestoga College. | File | April 4, 1983 |  |  | 
                            
            | 781 | Grand River Conservation Authority : Baden Dam and Mill Pond : preliminary report on measures to upgrade Baden Dam and Mill Pond to operating condition : draft. | File | March 1981 |  |  | 
                            
            | 786 | Grand River Drainage Basin : blackline map. | File | December 4, 1931 |  |  | 
                            
            | 792 | Ontario : Department of Planning and Development : Conference on River Valley Development in Southern Ontario, London, Ont., October 13-14, 1944. | File | 1944 |  |  | 
                            
            | 793 | William Philip : correspondence from A.H. Richardson, January 19, 1953. | File | 1953 |  |  | 
                            
            | 797 | Grand River Conservation Commission : Conestogo Dam : report on hydraulic model tests of sluiceway, 1953. | File | 1953-1956 |  |  | 
                            
            | 800 | Grand River Conservation Authority :  Woolwich Dam : functional design study. | File | July 29, 1971 |  |  | 
                            
            | 801 | Grand River Conservation Authority : Woolwich Dam : functional design study : executive summary. | File | July 30, 1971 |  |  | 
                            
            | 803 | Grand River Conservation Authority : construction of the Guelph Dam : contract no.2. | File | 1974 |  |  | 
                            
            | 804 | Grand River Conservation Authority : Columbia Street West Dam, Waterloo, Ontario : reinforced  concrete culvert and dam fill : tender documents and specifications, May, 1966. | File | 1966 |  |  | 
                            
            | 805 | Grand River Conservation Authority : Columbia Street West Dam, Waterloo, Ontario : reinforced concrete culvert and dam fill : tender. | File | April 6, 1967 |  |  | 
                            
            | 809 | Grand Valley Conservation Authority : Laurel Creek : contract documents for the construction of  Laurel Creek Dam and Reservoir, Township of Waterloo, Ont. : draft. | File | October 1965 |  |  | 
                            
            | 812 | Shade's Mills Reservoir and Conservation Area,  Township of North Dumfries, County of Waterloo, Ont. : appraisal report. | File | 1968 |  |  | 
                            
            | 823 | Grand Valley Conservation Authority : contract documents for the removal of silt, Wellesley Pond, Village of Wellesley, Ontario. | File | February 22, 1957 |  |  | 
                            
            | 830 | Grand Valley Conservation Authority : Byng Island Conservation Area : general contract for the construction of a foot bridge and road culvert. | File | June 23, 1959 |  |  | 
                            
            | 834 | Rockwood Mill : preservation plan, July 1977 : report with both current and historic photos. | File | 1974-1977 |  |  | 
                            
            | 835 | Caledonia Conservation Area : resource management plan, January, 1973. | File | 1973 |  |  | 
                            
            | 841 | A quick and handy reference to : GRCA floodplain mapping. | File | March 12, 1990 |  |  | 
                            
            | 849 | Environmental assessment of water control structures in the Grand River Basin : public participation meetings and briefs. | File | 1977 |  |  | 
                            
            | 851 | Grand River Conservation Authority : flood damages on Grand River Watershed, June, 1970. | File | 1970 |  |  | 
                            
            | 859 | Plan for flood control and water conservation in the Grand River Watershed : submitted to the Government of Ontario represented by the Honourable J.R. Simonett, Minister, the Department of Energy and Resources Management, and the Government of Canada represented by the Honourable Arthur Laing, Minister of Northern Affairs and Natural Resources. | File | June 1964 |  |  | 
                            
            | 860 | Plan for flood control and water conservation in the Grand River Watershed : submitted to the Government of Ontario represented by the Honourable J.R. Simonett, Minister, the Department of Energy and Resources Management, and the Government of Canada represented by the Honourable Arthur Laing, Minister of Northern Affairs and Natural Resources / by the Grand River Conservation Commission, June, 1964. | File | 1964 |  |  | 
                            
            | 865 | Grand River Conservation Authority : La Fortune Conservation Area : project management plan : draft. | File | March 14, 1973 |  |  | 
                            
            | 868 | Dunville recreational boating access : executive summary / prepared by Hough Stansbury & Woodland Limited with Jack B. Ellis & Associates Limited [et al.], October, 1987. | File | 1987 |  |  | 
                            
            | 874 | Report on a plan of ancillary conservation measures for the construction of the Conestogo Dam : a recommendation from the Executive to the Grand Valley Conservation Authority presented by the Chairman of the Advisory Board on Reforestation, Elora, Ontario, October 16, 1953 | File | 1953 |  |  | 
                            
            | 879 | Grand River Conservation Authority : Dunville Dam, Weirs and Lock ; preliminary engineering study. | File | December 1988 |  |  | 
                            
            | 880 | Grand River Conservation Authority : dam inventory : photographs. | File | [after 1967] |  |  | 
                            
            | 884 | Grand River Conservation Authority : Conestogo Reservoir : a preliminary water quality survey. | File | 1977 |  |  | 
                            
            | 886 | Grand River Conservation Authority : swimming areas : coliform report 1977. | File | October 7, 1977 |  |  | 
                            
            | 887 | Grand River Conservation Authority : swimming areas : coliform report 1976. | File | December 1976 |  |  | 
                            
            | 891 | Water quality of the Grand River : Engineering Reports (W02). | File | [1974?] |  |  | 
                            
            | 892 | Grand River Conservation Authority : Hopewell Creek : water quality : draft, January, 1976. | File | 1976 |  |  | 
                            
            | 899 | A quick and handy reference to : Oxford County environmentally sensitive areas. | File | March 10, 1991 |  |  | 
                            
            | 903 | Grand River Conservation Authority : D'Aubigny Creek : rehabilitation work report : draft. | File | December 1991 |  |  |