File consists of research collected regarding the Groundhog coalfield, 150 miles north of Hazelton and 95 miles northeast of Stewart. Materials include newspaper clippings, as well as reproductions of maps, mine reports, and an article. Highlights include:
- Fleet Robertson, "The New Coalfield at The Headwaters of the Skeena River: North of Groundhog Mountain", 1912 (reproduction)
- George Hanson, "The Groundhog Coalfield: British Columbia", 1949 (article reproduction)