Collection includes correspondence and other papers relating to the preservation and restoration of the Surgeon's Quarters, Fort Dalles, Oregon, 1903-1948. Also included are manuscript correspondence and notes of Louis Scholl, original architect of the building, dated 1856-1878.

Papers of and relating to a German-American military architect who traveled overland to Oregon in 1852 and later designed Fort Dalles and other military installations. Collection includes correspondence, a letterpress copybook, pension application materials, and a book of sketches made during the overland journey. Some materials are in German.