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Proceedings of the International Symposium on Acidic Precipitation, Muskoka, Ontario, September 15-20, 1985. Edited by Hans C. Martin. Reprinted from Water, Air, and Soil Pollution, Volume 30 (1986). Two volumes.

First volume includes leaves collected by Viitala, 1988, Thunder Bay area.

Includes: Notebook with an index to all slides.
Photo slides (107) from the Hawkeye Lake Watershed Study, 1982-1987.
Photo slides (15) from Pukaswka National Park, 1983.

Eight photo albums depicting the Hawkeye Lake research including site preparation, landscapes and animals, equipment and instruments, researchers and other people. Book IV includes photographs at Pukaskwa National Park and area. Book VIII includes aerial photographs of the flight between Sudbury and Thunder Bay.

Book I: 1982-1983.
Book II: 1983-1984.
Book III: 1984.
Book IV: 1985.
Book V: 1985-1986.
Book VI: 1986.
Book VII: 1986.
Book VIII: 1987.

Proposals, data, and report from Accelerated Leaching Study with soil from Hawkeye Lake Biogeochemical Site.

“Precipitation Concentration and Wet Deposition Fields of Pollutant in Ontario, September 1980 to December 1981.” Walter H. Chan, Al J.S. Tang, and Maris A. Lusis. Special Studies Unit, Atmospheric Research & Special Programs Section, Air Resources Branch, Ontario Ministry of the Environment.

Records and materials relating to the International Symposium on Acidic Precipitation, September 15-20, 1985, Muskoka. Includes papers, photographs, published proceedings.

Three photo albums depicting the Muskoka 1985 symposium, including attendees, conference posters, and some additional APIOS research photos.

Book I: People/Posters
Book II: Posters
Book III: Posters / Fall Watershed [research]

Chronicle Journal article by Gord McLaughlin on Acidic Precipitation study at Hawkeye Lake, 1984.

Article in Finnish and translated into English by Reino Viitala on the 1980s acidic precipitation studies, 2018.

“Annual Report, Air Quality in Ontario.” Ministry of the Environment. Printed 1988.

Photograph of Viitala et al’s poster; copies of papers from various researchers.

“Bedrock and Soil Studies around Acid Sensitive Lakes in Pukaskwa National Park.” Reino Viitala, Jim Sutton, and Paul Barclay-Estrup. A poster presented at the Muskoka conference. Copies of the poster, presentation, notes, and other materials.

Umbrella cover from the International Symposium on Acidic Precipitation. Muskoka, Ontario, Canada. 1985.
Synthetic fabric with metal.

Explanatory notes and brief table of contents for the donation of records. Lists of team members of APIOS Study.

Draft procedures manual prepared by Eric Muller, with help from Reino Viitala and Irene Westelaken.

Data and handwritten draft of final report for Soils of Hawkeye Lake Biogeochemical Site study.

“The Case Against the Rain: A Report on Acidic Precipitation and Ontario Programs for Remedial Action.” Ontario Ministry of the Environment.

“Acidic Precipitation in Ontario Study: Acid Sensitivity of Lakes in Ontario.” APIOS Report no 003/82. Limnology and Toxicity Section, Ontario Ministry of the Environment.

“Acidic Precipitation in Ontario Study: Terrestrial Effects Programme, Northwestern Region, 1985-1986 Annual Report.” Prepared for The Acidic Precipitation in Ontario Study, The Ontario Ministry of the Environment. By SENES Consultants Limited, in association with Lakehead University; Smith, Hoffman Associates Limited; Terra Geographical Studies inc. March 1986.

Records relate to research carried out by Viitala and colleagues at Lakehead University as part of the Acidic Precipitation In Ontario Study. Field research was done at Hawkeye Lake northwest of Thunder Bay, and at Pukaskwa National Park. The records include data, photographs, reports and research papers. Some records also relate specifically to the International Symposium on Acidic Precipitation held at Muskoka on September 15-20, 1985.

Records date primarily 1980-1988, with some additional documents from 2018 and 2022.

Records related to the Acidic Precipitation in Ontario Study (APIOS) particularly the work Viitala engaged in at the Hawkeye Lake Biogeochemical Study Site. Includes procedures and methods, data, reports, photographs of research activities. Also includes Ontario Ministry of the Environment reports.

Methods manual prepared by Irene Westelaken and Reino Viitala.

“Acidic Precipitation in Ontario Study: Studies of Lakes and Streams: Pukaskwa National Park.” APIOS Report 003/83. J Sutton, L. Maki, K.J. Deacon, G.W. Ozburn. Lakehead University. Ontario Ministry of the Environment, Northwestern Region.