Showing 865 results
Archival descriptionLower 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.
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.
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].
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).
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.
Forestry (file 2 of 4)
Forestry (file 2 of 4)
Tours and lectures (file of 4).3
Tours and lectures (file of 4).3
Conservation Careers.
Conservation Careers.
Fergus highland Games.
Fergus highland Games.
Woodstock (1979) & Grand Valley (1985) Tornados (file 2 of 2).
Woodstock (1979) & Grand Valley (1985) Tornados (file 2 of 2).
Resource Management Camp.
Resource Management Camp.
Channel and stream improvements : Cambridge (file 1 of 2).
Channel and stream improvements : Cambridge (file 1 of 2).
Maps, graphs, charts, signs, exhibits (file 1 of 2).
Maps, graphs, charts, signs, exhibits (file 1 of 2).
Recreation (file 2 of 3).
Recreation (file 2 of 3).
Sweep Students/Experience.
Sweep Students/Experience.
Grand Valley tornado, June, 1985.
Grand Valley tornado, June, 1985.
Guelph Statue Unveiling.
Guelph Statue Unveiling.
Conservation Techniques.
Conservation Techniques.
Grand 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.
Dickson Wilderness Area.
Dickson Wilderness Area.
Floods.
Floods.
Grand River Conservation Authority : George Storemont.
Grand River Conservation Authority : George Storemont.
Grand River Conservation Authority : Gord Chaplin.
Grand River Conservation Authority : Gord Chaplin.
Grand River Conservation Authority : Mac Coutts.
Grand River Conservation Authority : Mac Coutts.
Grand River Conservation Authority : Marilyn Robinson.
Grand River Conservation Authority : Marilyn Robinson.
Cambridge Dike : building inventory : phase 3.
Cambridge Dike : building inventory : phase 3.
Burford Conservation Area and Nursery.
Burford Conservation Area and Nursery.
Staff (file 3 of 5).
Staff (file 3 of 5).
Campvention 1971, 1986 and Jamboree 1985.
Campvention 1971, 1986 and Jamboree 1985.
Miscellaneous.
Miscellaneous.
Erosion and landslides.
Erosion and landslides.
Grand River Conservation Authority : Charlene Wranich.
Grand River Conservation Authority : Charlene Wranich.
Laurel Creek Conservation Area.
Laurel Creek Conservation Area.
Dams: Belwood (Shand) Dam.
Dams: Belwood (Shand) Dam.
Ponds.
Ponds.
Apps' Mill-Fundraising, [Changeur No. 2], August 1986.
Apps' Mill-Fundraising, [Changeur No. 2], August 1986.
Water Management : Series #2 "History" : slide-tape presentation.
Water Management : Series #2 "History" : slide-tape presentation.
Dams: Guelph Dam.
Dams: Guelph Dam.
Irvine Creek, other creeks and streams. 9 file 1 of 2).
Irvine Creek, other creeks and streams. 9 file 1 of 2).
Soil erosion control (file 2 of 4).
Soil erosion control (file 2 of 4).
Apps' Mill-Fundraising, August 1986, [Chargeur No. 1].
Apps' Mill-Fundraising, August 1986, [Chargeur No. 1].
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