One image of thirteen men sitting at a long table during a dinner at the Nickel Range Hotel, hosted by the Sudbury Chamber of Commerce, for visiting prospectors and geologists who were taking part in the week of prospectors' classes, sponsored by the Ontario Prospectors and Developers Association.

One image of prospectors and government geologists at a dinner at the Nickel Range Hotel hosted by the Sudbury Chamber of Commerce. Included in the image, from left to right, are: J.R. Gordon, a guest speaker for the evening from Copper Cliff, Ontario; George A. MacMillan, president of the Ontario Prospectors and Developers Association; G.A. Foot, president of the Sudbury Chamber of Commerce; E.A. Collins, Inco Vice-President, and a speaker for the evening who presented a slide show about the development of the nickel industry; Dr. M.E. Hurst, a member of the geological survey branch in Ottawa, Ontario and Russel Cryderman, a previous president of the Ontario Prospectors and Developers Association.

One image of Archie Marcotte and three other men trying an ultra violet ray lamp during a prospector's class at the Nickel Range Hotel in Sudbury, Ontario. The prospectors class, which was held during a week-long program, was sponsored by the Ontario Prospectors and Developers Association.

One image of Cyril T. Young and J. A. Shannon, prospectors and developers of Young-Shannon Property in Gogama, Ontario, during a prospecting class at the Nickel Range Hotel in Sudbury, Ontario, which was sponsored by the Ontario Prospectors and Developers Association.

One image of George Olscamp, left, and Joe Gatien, prospectors with over 25 years experience each, taking part in a prospecting class held at the Nickel Range Hotel in Sudbury, Ontario, which was sponsored by the Ontario Prospectors and Developers Association.

One image of Mining Recorder Martin A. Story standing in front of a collection of 76 labeled samples of rock and ore in his office in Sudbury, Ontario.

One image of a collection of 76 labeled samples of rock and ore displayed on the wall in the office of Mining Recorder Martin A. Story, in Sudbury, Ontario.