Leah Rogers, MT. Vernon No description specified. 1-2 (2 Records) Documents Letter Report: Results of Phase I Archaeological Survey for Additional Work Along the City of Clive Greenbelt Recreational Trail, Polk County (1995) A Phase I Archaeological Survey of a Proposed Bridge Replacement ( FHWA# 106480) and Road Improvement Project(A--6--B-18-23) Cerro Gordo County (1993)