A Preliminary Economic Appraisal of the Soil Conservation Program in the West Branch Octoraro Creek Watershed in Lancaster County, Pennsylvania for the Period 1935-1938

2026-07-09http://hdl.handle.net/123456789/627740A Preliminary Economic Appraisal of the Soil Conservation Program in the West Branch Octoraro Creek Watershed in Lancaster County, Pennsylvania for the Period 1935-1938Text