Found in 5 Collections and/or Records:
Collection contains Lyon's accounts (1 volume : 168 pages) include entries for James E. Lyon & Company (early Central City, Colo. smelter) and Consolidated Gregory Company (for which he was managing director).
Collection contains a signed loan agreement (1925).
Collection contains a stock ledger includes articles of incorporation and minutes of directors' meetings.
Collection contains mining claim with location description for the Warpath Lode and the Mountain Chief Discovery Shaft (1880) near the town of Gold Hill, Boulder County, Colo.
Collection contains an account book with miscellaneous sales receipts inserted.