The Prince George Railway & Forestry Museum Society Collection consists primarily of textual, photographic, and cartographic records related to the regional developments of the railway industry in Northern BC. A predominant portion of the collection is made up of material from the Canadian National Railway; other railways represented include the Pacific Great Eastern Railway, the British Columbia Railway (BC Rail), the Grand Trunk Pacific Railway, the Grand Trunk Railway, the Intercolonial Railway, and the Okanagan Express. Significant geographical areas covered include Prince George, the Peace River Region, Terrace, Bulkley Valley, Hazelton and Prince Rupert.

The forestry industry is represented in the collection with operational and financial records from Fyfe Lake Sawmill Ltd., which operated southwest of Prince George in the 1950s.

The collection has been organized into series according to creator, each of which also has been arranged to subseries, file and item level, where applicable. This collection consists of eight series, as follows:

1) Canadian National Railway
2) Grand Trunk Railway
3) Pacific Great Eastern Railway
4) British Columbia Railway (BC Rail)
5) Canadian Pacific Railway (CPR)
6) Intercolonial Railway
7) Fyfe Lake Sawmill ltd.
8) PGRFM
9) Photographs

Map depicts the regional district of Kitmat, but is extensively annotated showing the proposed route of the Kitmat Truck Ferry, running through Terrace and up into the "Yukon Markets," and the Kispiox Connector, running from Prince Rupert to Hazelton and further East along Highway 16 and north along the Kispiox River.