Evaluation of loading of sulphate and heavy metals along a S-SE transect centering on Sudbury, Ontario ; Evaluation of sulphate and heavy metal loading rates and total sulphation as affected by forest canopies near Sudbury, Ontario ; Effects of smelter emissions on surrounding forest plant communities near Sudbury, Ontario : [manuscript and correspondence]
Aerial photograph of a large forested plot before spraying
Aerial photograph of a Black spruce (Picea mariana) burn site after seven years of regrowth, near Postville, Newfoundland and Labrador
Aerial photograph of a patterned rocky fen near Postville, Newfoundland and Labrador
Photograph of Krummholz Zone tundra near Postville, Newfoundland and Labrador
Photograph of stunted tamarack (Larix laricina) with size reference on Long Island, near Postville, Newfoundland and Labrador
Photograph of two unidentified people standing in a sparse Krummholz Zone area, Postville, Newfoundland and Labrador
Photograph of a basin bog near Postville, Newfoundland and Labrador
Photograph of Black spruce (Picea mariana) near Michelin Lake, Postville, Newfoundland and Labrador
Photograph of Black spruce (Picea mariana) regeneration near a burn site after seven years, near Postville, Newfoundland and Labrador
Photograph of sparse Black spruce (Picea mariana) on Long Island near Postville, Newfoundland and Labrador
Photographs of trees at Minesing Swamp, near Barrie, Ontario
Photograph of an unidentified researcher measuring forest biomass at Plot 3 Control, Riverside site, central Nova Scotia
Photograph of forest biomass measurements at an unidentified four- or five-year-old thin hardwood plot, Riverside site, central Nova Scotia
Photograph of an unidentified researcher felling a sugar maple (Acer saccharum) at an unidentified central Nova Scotian site
Photograph of an unidentified researcher felling a sugar maple (Acer saccharum) at an unidentified central Nova Scotian site
Photograph of Bill Freedman posing with a rifle at the Aylesford Lake site, Kings County, Nova Scotia
Photograph of forest biomass measurements at an unidentified four- or five-year-old thin hardwood plot, Riverside site, central Nova Scotia
Photograph of two unidentified workers operating log loader machinery at Aylesford Lake, Kings County, Nova Scotia
Photograph of Bill Freedman kneeling near weighed logs and disc sub-samples, likely at Aylesford Lake, Kings County, Nova Scotia
Photograph of an unidentified researcher conducting forest biomass measurements at Plot 1, a three-year-old clear-cut, Riverside site, central Nova Scotia
Photograph of forest biomass growth at Plot 2, a four-year-old strip cut range, Riverside site, central Nova Scotia
Photograph of forest biomass measurements at an unidentified four- or five-year-old thin hardwood plot, Riverside site, central Nova Scotia
Photograph of an unidentified researcher performing biomass measurements at Plot 7, a five-year-old clear-cut, Riverside site, central Nova Scotia
Photograph of an unidentified researcher conducting forest biomass measurements in a two-year-old thin hardwood stand, Riverside site, central Nova Scotia
Photograph of an unidentified researcher weighing felled bolts of sugar maple (Acer saccharum) at an unidentified central Nova Scotian site
Photograph of an unidentified researcher conducting forest biomass measurements at Plot 5, a five-year clear-cut, Riverside site, central Nova Scotia
Photograph of Bill Freedman pointing a shotgun in the air at foliage, Aylesford Lake, Kings County, Nova Scotia
Photograph of forest biomass growth at Plot 2, a four-year-old narrow strip cut range, Riverside site, central Nova Scotia
Photograph of forest biomass measurements at Plot 4, a wider strip cut range, Riverside site, central Nova Scotia
Photograph of Bill Freedman gathering foliage while holding a shotgun, Aylesford Lake, Kings County, Nova Scotia