Denver: The Colorado Mining Association and Affiliated Organizations, 1943-1950. Magazine. Series format, 12x9 inch glossy magazines, coated paperstock throughout with profuse b&w site and equipment photos, mugshots aplenty. Several spines are a little rough, several others are virtually fine. No ownership or other marks. Cover slogans go from "Men and Metals for Victory" ('43) to "Uranium Land --America's Future" ('50).