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]
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 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 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