Coal Administration Branch series
- S-NR.9
- Serie
- 1889-1940 (predominant: 1920-1940)
These are the records of the Coal Administration Branch of the Department of Natural Resources. They include: general files; mine inspection files; coal mine files; managers pit boss's and miners certificates, coal operators montly statements; coal leases; and indexes. Most of the collection is textual, but a number of the coal mine maps, leases, and regulations documents have been digitized.