Julius M. Clements was a mining engineer with interests in Arizona and around the country. He served as an American Trade Commissioner for the U.S. Dept. of Commerce in Japan and China.
The collection includes correspondence, reports, financial records, maps, and photographs relating to mining activities in the American West and Sonora, Mex., and to his tenure as an American Trade Commissioner, U.S. Dept. of Commerce, in Japan and China.