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Archival descriptionGrand River Conservation Authority : Ayr Ponds Dredging Study.
Grand River Conservation Authority : Ayr Ponds Dredging Study.
Chesney Conservation Area.
Chesney Conservation Area.
Staff (file 1 of 2).
Staff (file 1 of 2).
Dams: Baden Dam and Reservoir.
Dams: Baden Dam and Reservoir.
Dams: Bissel Dam.
Dams: Bissel Dam.
Soil erosion control (file 1 of 4).
Soil erosion control (file 1 of 4).
Wilkes dam sunsets.
Wilkes dam sunsets.
Wilkes dam area.
Wilkes dam area.
Chesney Conservation Authority.
Chesney Conservation Authority.
Grand River Conservation Authority : directors.
Grand River Conservation Authority : directors.
Cambrige Dike : building inventory : phase 2.
Cambrige Dike : building inventory : phase 2.
Dams: Wellesley Dam.
Dams: Wellesley Dam.
Channel and stream improvements : Schneider Creek.
Channel and stream improvements : Schneider Creek.
Nature Centers and Flood Warning System : slide-tape presentation.
Nature Centers and Flood Warning System : slide-tape presentation.
Ontario badlands.
Ontario badlands.
A dam for all seasons : Wilkes Dam.
A dam for all seasons : Wilkes Dam.
Water control/flood control structures : aerial and ground.
Water control/flood control structures : aerial and ground.
Dams: Damascus Dam.
Dams: Damascus Dam.
Flooding (file 4 of 5).
Flooding (file 4 of 5).
Grand River watershed areas.
Grand River watershed areas.
Grand River Conservation Authority : directors.
Grand River Conservation Authority : directors.
Grand River Conservation Authority : management.
Grand River Conservation Authority : management.
Grand River Conservation Authority : management group pictures.
Grand River Conservation Authority : management group pictures.
App's Mill Conservation Area.
App's Mill Conservation Area.
Ceremonies, conferences (file 1 of 3).
Ceremonies, conferences (file 1 of 3).
Grand River Conservation Authority : news releases, May 10, 1983 to December 7, 1984.
Grand River Conservation Authority : news releases, May 10, 1983 to December 7, 1984.
Conestogo Dam stilling basin inspection, Nov. 2, 1983.
Conestogo Dam stilling basin inspection, Nov. 2, 1983.
Luther Marsh Wildlife Area.
Luther Marsh Wildlife Area.
Apps' Mill Nature Centre.
Apps' Mill Nature Centre.
Grand River (file 1 of 2).
Grand River (file 1 of 2).
Grand River Conservation Authority Interim Resource Management Plan (Tray Bank B), June 1983.
Grand River Conservation Authority Interim Resource Management Plan (Tray Bank B), June 1983.
Guelph Dam Micro Hydro Demonstration Project, May 3, 1982 and April 1983, [Chargeur No. 2], even numbers.
Guelph Dam Micro Hydro Demonstration Project, May 3, 1982 and April 1983, [Chargeur No. 2], even numbers.
Nature Centres and Flood Warning System : slide-tape presentation.
Nature Centres and Flood Warning System : slide-tape presentation.
Elora Mill Hydro, October, 1983.
Elora Mill Hydro, October, 1983.
Grand River Conservation Authority Interim Resource Management Plan, [Changeur No. A], June 1983.
Grand River Conservation Authority Interim Resource Management Plan, [Changeur No. A], June 1983.
Grand River Conservation Authority Interim Resource Management Plan, (Tray Bank C), June 1983.
Grand River Conservation Authority Interim Resource Management Plan, (Tray Bank C), June 1983.
Grand River Conservation Authority headquarters : tenth anniversary, 1983.
Grand River Conservation Authority headquarters : tenth anniversary, 1983.
Reforestation : Why Dams : Channel Improve, February 9, 1983, [Chargeur No. 1], Tray Bank 2 even.
Reforestation : Why Dams : Channel Improve, February 9, 1983, [Chargeur No. 1], Tray Bank 2 even.
Reforestation, Why Dams, Channel Improvements, (Tray Bank 1 ODD), February 9, 1983.
Reforestation, Why Dams, Channel Improvements, (Tray Bank 1 ODD), February 9, 1983.
Pollution.
Pollution.
Dams: Caledonia Dam.
Dams: Caledonia Dam.
Tours and lectures (file 2 of 4).
Tours and lectures (file 2 of 4).
Grand River Conservation Authority Interim Resource Management Plan, August 1983 (Tray Bank, single tray version).
Grand River Conservation Authority Interim Resource Management Plan, August 1983 (Tray Bank, single tray version).
Grand River Conservation Authority : Group Pictures of Executive.
Grand River Conservation Authority : Group Pictures of Executive.
Caledonia Conservation Area.
Caledonia Conservation Area.
Dams: Luther Dam.
Dams: Luther Dam.
Flooding (file 2 of 5).
Flooding (file 2 of 5).
Water Management : Series #2 "Low Flow", September 1982 : slide-tape presentation.
Water Management : Series #2 "Low Flow", September 1982 : slide-tape presentation.
Guelph Dam Micro Hydro Demonstration Project, May 1982, [Chargeur No. 2].
Guelph Dam Micro Hydro Demonstration Project, May 1982, [Chargeur No. 2].
How to use a tree key.
How to use a tree key.
Grand River Conservation Authority : Special Recognition Committee : honour roll photos and scripts.
Grand River Conservation Authority : Special Recognition Committee : honour roll photos and scripts.
Water Management : Series #5, Water Quality Monitoring, April, 1981 : slide-tape presentations.
Water Management : Series #5, Water Quality Monitoring, April, 1981 : slide-tape presentations.
Grand River Conservation Authority : resource camp, June 21-26, 1981.
Grand River Conservation Authority : resource camp, June 21-26, 1981.
Forestry (file 1 of 4).
Forestry (file 1 of 4).
Lower Grand : ice jam, Brantford and Paris, Ont..
Lower Grand : ice jam, Brantford and Paris, Ont..
Recreation (file 1 of 3).
Recreation (file 1 of 3).
Flood Talk, slide subject is actually about trees and how to measure them.
Flood Talk, slide subject is actually about trees and how to measure them.
How To Measure Stream Flow and How to Use Peterson's Wildflower Guide.
How To Measure Stream Flow and How to Use Peterson's Wildflower Guide.
How To Series : master copy, six sections, How to Take Water Samples (slides 1-14) Water Chemistry Tests Safety and Procedures (slides 16-30), How to do Carbon Dioxide Tests (slides 32-48), How to do Dissolved Oxygen Water Tests (slides 50-78), How to do pH Tests (slides 80-97) and How to do Water Hardness Tests (slides 99-118).
How To Series : master copy, six sections, How to Take Water Samples (slides 1-14) Water Chemistry Tests Safety and Procedures (slides 16-30), How to do Carbon Dioxide Tests (slides 32-48), How to do Dissolved Oxygen Water Tests (slides 50-78), How to do pH Tests (slides 80-97) and How to do Water Hardness Tests (slides 99-118).
Grand River Conservation Authority : news releases, May 7, 1975 to June 8, 1981.
Grand River Conservation Authority : news releases, May 7, 1975 to June 8, 1981.
Staff (file 2 of 5).
Staff (file 2 of 5).
Cutting Our Flood Losses : Canada/Ontario Flood Damage Reduction Program.
Cutting Our Flood Losses : Canada/Ontario Flood Damage Reduction Program.
Lower Grand.
Lower Grand.
Wildlife conservation : slide-tape presentation with script, Oct. 31, 1980.
Wildlife conservation : slide-tape presentation with script, Oct. 31, 1980.
Middle Grand : West Montrose to Paris.
Middle Grand : West Montrose to Paris.
Upper Grand
Upper Grand
Elora Conservation Area.
Elora Conservation Area.
Water Management : Series #8 "Personal Conservation Techniques", October 1980 : slide-tape presentation.
Water Management : Series #8 "Personal Conservation Techniques", October 1980 : slide-tape presentation.
Upper Grand : above West Montrose, Ont..
Upper Grand : above West Montrose, Ont..
Lower Grand : below Paris, Ont..
Lower Grand : below Paris, Ont..
The Parable of the Coffin Maker.
The Parable of the Coffin Maker.
Speed River.
Speed River.
Middle Grand.
Middle Grand.
Grand River Conservation Authority headquarters : construction/ Summit Films.
Grand River Conservation Authority headquarters : construction/ Summit Films.
Grand River Conservation Commission : Commissioners of the former Grand River Conservation Commission assembled at Brantford for the 45th anniversary of the first meeting of the Grand River Conservation Commission, May 30, 1979.
Grand River Conservation Commission : Commissioners of the former Grand River Conservation Commission assembled at Brantford for the 45th anniversary of the first meeting of the Grand River Conservation Commission, May 30, 1979.
Dickson Wilderness.
Dickson Wilderness.
Dunnville and Caledonia Dams before they were replaced, 1979.
Dunnville and Caledonia Dams before they were replaced, 1979.
Chicopee Conservation Area.
Chicopee Conservation Area.
Dams: Columbia St. Dam.
Dams: Columbia St. Dam.
Channel and stream improvements : Hespeler.
Channel and stream improvements : Hespeler.
Guelph Lake .
Guelph Lake .
Caledonia Dam, Woolwich Dam and Paris, Ontario gabion walls : album of photographs, May to June, 1979.
Caledonia Dam, Woolwich Dam and Paris, Ontario gabion walls : album of photographs, May to June, 1979.
Woolwich Dam and Reservoir.
Woolwich Dam and Reservoir.
Dams: Oneida Dam.
Dams: Oneida Dam.
Channel and stream improvements : Dunnville.
Channel and stream improvements : Dunnville.
Conestoga River.
Conestoga River.
Cambridge Dike : building inventory : phase 1.
Cambridge Dike : building inventory : phase 1.
Biennial Tour of conservation authorities, Sept. 30, 1979 , Holiday Inn, Cambridge.
Biennial Tour of conservation authorities, Sept. 30, 1979 , Holiday Inn, Cambridge.
Trip to USA : Tennessee Valley Authority.
Trip to USA : Tennessee Valley Authority.
Woodstock (1979) & Grand Valley (1985) Tornados (file 1 of 2).
Woodstock (1979) & Grand Valley (1985) Tornados (file 1 of 2).
Channel and stream improvements : Elmira.
Channel and stream improvements : Elmira.
Channel and stream improvements : Wilkes.
Channel and stream improvements : Wilkes.
Tours and lectures (file 1 of 4).
Tours and lectures (file 1 of 4).
Guelph Dam and Reservoir (file 1 of 2).
Guelph Dam and Reservoir (file 1 of 2).
Woolwich Dam.
Woolwich Dam.
GC.
GC.
Untitled folder (file 17 of 18).
Untitled folder (file 17 of 18).
Land : The Threatened Resource; Careers in Agrology : Land Use.
Land : The Threatened Resource; Careers in Agrology : Land Use.
Golf Course.
Golf Course.
National Hikers and Campers Association Convention, Guelph Lake : aerials.
National Hikers and Campers Association Convention, Guelph Lake : aerials.
Results 501 to 600 of 865