File consists of riparian-zone technical maps of the Columbia River Valley on five sheets. Produced by the Department of Mines and Technical Surveys, Surveys & Mapping Branch. Forestry, survey, and land use information for valley bottom area is indicated. List of individual riparian-zone maps: 1) Index to map sheets of Columbia River Basin series, 1958. 2) Sheet MS20, Upper Arrow Lake circa 1954. 3) Sheet MS21, Beaton area, 1951. 4) Sheet MS22, area south of Revelstoke, north of Arrowhead, 1956. 5) Sheet MS24, Revelstoke area. Scale is 1" = 1/2 mile.