Scope and Contents From the Collection: Records consist primarily of interoffice correspondence between the Philipsburg office, the St. Louis office, and the sales office in Cincinnati; and general correspondence. Major interoffice correspondents include L.M. Rumsey Jr., John P. Meyer, Leigh Wyman, John R. Lucas, Dan Smith, Charles G. Ewing, and Joseph Yob. Major outside correspondents include vendors of equipment and supplies, purchasers of manganese and silver, and state and federal agencies. In addition, there are...