Showing 865 results

Archival description
Grand River Conservation Authority
Print preview View:
Descending
Recreation.
Recreation.
Grand River Conservation Authority : directors.
Grand River Conservation Authority : directors.
Dams: Wellesley Dam.
Dams: Wellesley Dam.
Tours and lectures (file of 4).3
Tours and lectures (file of 4).3
LaFortune.
LaFortune.
Guelph Lake Nature Center.
Guelph Lake Nature Center.
Conservation Careers.
Conservation Careers.
Exhibits.
Exhibits.
Erosion.
Erosion.
Grand River (file 2 of 2).
Grand River (file 2 of 2).
Nature Centers and Flood Warning System : slide-tape presentation.
Nature Centers and Flood Warning System : slide-tape presentation.
Ontario badlands.
Ontario badlands.
Water control/flood control structures : aerial and ground.
Water control/flood control structures : aerial and ground.
Flooding (file 4 of 5).
Flooding (file 4 of 5).
Channel improvements & Bank Work.
Channel improvements & Bank Work.
Grand River Conservation Authority : directors.
Grand River Conservation Authority : directors.
Conestoga Conservation Area & Dam.
Conestoga Conservation Area & Dam.
Grand River Conservation Authority : management.
Grand River Conservation Authority : management.
Grand River Conservation Authority : management group pictures.
Grand River Conservation Authority : management group pictures.
Dams: Baden Dam and Reservoir.
Dams: Baden Dam and Reservoir.
Loose photographs (file 3 of 7).
Loose photographs (file 3 of 7).
Mohawk Chapel, Brantford, Ont..
Mohawk Chapel, Brantford, Ont..
Cambrige Dike : building inventory : phase 2.
Cambrige Dike : building inventory : phase 2.
Conestogo Dam stilling basin inspection, Nov. 2, 1983.
Conestogo Dam stilling basin inspection, Nov. 2, 1983.
Taquanyah Conservation Area.
Taquanyah Conservation Area.
Apps' Mill Nature Centre.
Apps' Mill Nature Centre.
Forestry (file 2 of 4)
Forestry (file 2 of 4)
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.
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.
Laurel Creek Conservation Area.
Laurel Creek Conservation Area.
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.
Conestogo River.
Conestogo River.
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.
Large trees in Grand River watershed.
Large trees in Grand River watershed.
Guelph Lake Nature Centre.
Guelph Lake Nature Centre.
Pollution.
Pollution.
Conservation Techniques.
Conservation Techniques.
Grand River Upper.
Grand River Upper.
Other Rivers.
Other Rivers.
Creeks, Streams, Wetlands & Ponds .
Creeks, Streams, Wetlands & Ponds .
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 : news releases, May 10, 1983 to December 7, 1984.
Grand River Conservation Authority : news releases, May 10, 1983 to December 7, 1984.
Grand River Upper.
Grand River Upper.
Grand River Conservation Authority : Group Pictures of Executive.
Grand River Conservation Authority : Group Pictures of Executive.
Guelph Lake Nature Centre.
Guelph Lake Nature Centre.
Equipment.
Equipment.
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.
Miscellaneous.
Miscellaneous.
Dams: Luther Dam.
Dams: Luther Dam.
Historical sites (file 2 of 2).
Historical sites (file 2 of 2).
Recreation (file 2 of 3).
Recreation (file 2 of 3).
Dams: Miscellaneous Dams.
Dams: Miscellaneous Dams.
Guelph Dam Micro Hydro Demonstration Project, May 1982, [Chargeur No. 2].
Guelph Dam Micro Hydro Demonstration Project, May 1982, [Chargeur No. 2].
Wildlife management.
Wildlife management.
Dams: Bissel Dam.
Dams: Bissel Dam.
Dams: New Hamburg Dam.
Dams: New Hamburg Dam.
Fair lake Conservation Area.
Fair lake Conservation Area.
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.
Channel and stream improvements : New Hamburg.
Channel and stream improvements : New Hamburg.
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.
Forests & Soils.
Forests & Soils.
Miscellaneous.
Miscellaneous.
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).
Engineering Services.
Engineering Services.
Flood Water Management.
Flood Water Management.
The State of the Grand River : CD ROM.
The State of the Grand River : CD ROM.
Untitled folder.
Untitled folder.
Staff (file 2 of 5).
Staff (file 2 of 5).
Dams: Taquanyah Dam.
Dams: Taquanyah Dam.
Untitled folder (file of 18).
Untitled folder (file of 18).
Untitled folder (file 5 of 18).
Untitled folder (file 5 of 18).
Grand River lower.
Grand River lower.
Non-Structural Management.
Non-Structural Management.
Pinehurst Conservation Area.
Pinehurst Conservation Area.
Guelph Dam and Reservoir (file 2 of 2).
Guelph Dam and Reservoir (file 2 of 2).
Water Management : Series #2 "Low Flow", September 1982 : slide-tape presentation.
Water Management : Series #2 "Low Flow", September 1982 : slide-tape presentation.
Wildlife conservation : slide-tape presentation with script, Oct. 31, 1980.
Wildlife conservation : slide-tape presentation with script, Oct. 31, 1980.
Grand River from Glen Morris Bridge.
Grand River from Glen Morris Bridge.
Luther Marsh : heavy snow, first week in March.
Luther Marsh : heavy snow, first week in March.
Untitled folder.
Untitled folder.
Dams: Byng Dam.
Dams: Byng Dam.
Channel and stream improvements : Brantford.
Channel and stream improvements : Brantford.
Loose photographs (file 5 of 7).
Loose photographs (file 5 of 7).
DeVisser.
DeVisser.
Grand River Conservation Authority : Ken Peers.
Grand River Conservation Authority : Ken Peers.
Creeks, Streams & Wetlands.
Creeks, Streams & Wetlands.
Water Sampling & Sampling Sites.
Water Sampling & Sampling Sites.
Staff (file 3 of 2).
Staff (file 3 of 2).
Dams: Floradale Dam.
Dams: Floradale Dam.
Dams: Victoria Mills Dam.
Dams: Victoria Mills Dam.
Channel and stream improvements : Arthur Township.
Channel and stream improvements : Arthur Township.
Results 201 to 300 of 865