This addition to the fonds consists of research papers, government reports and newspaper clippings concerning northern environment, mercury poisoning, acid rain and Indigenous land issues.

This item is a fire insurance plan of the City of Oshawa. It includes a key plan (scale 1200':01"), a key to the symbols, special diagrams of some buildings, and an index.

The fonds includes photocopies of the following items: Township Patent Book, 1820-1872, including the names of the grantees, lot purchased and dates as well as township/municipal election returns, and oaths of office for 1850. It also includes the correspondence of John Reid, township road surveyor, with elected officials and citizens, including maps, drawings etc.; township business papers, including receipts, taxation abatements, and school business; and Statute Labour lists and returns for the year 1850.

This collection consists of 3 maps: a photocopy of a map portraying a portion of Northumberland County, showing Hope and Emily Townships on the west and Murray and Methuen Townships on the east, 1830s; a photocopy of a map portraying a portion of Peterborough County, showing North Monaghan Township to Belmont Township on the south and Harvey to Methuen Townships on the north, 1897; and an original map of Peterborough County, 1897.

This collection consists of copies of the agendas and minutes of the first eight meetings of the Steering Committee on Bikeways. Also included are a 1975 Peterborough Bikeway Report (which includes a proposed bicycle trail map), correspondence, etc.

The fonds consists of carbon copies of Surveyor's correspondence regarding a municipal drain dated November 6, 1958; and 3 undated identical maps for zoning in the City of Peterborough.