Published: 1996
Total Pages: 11
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The manual zoom transfer scope is a device that allows for simultaneous viewing and scale matching of a variety of sources (such as aerial photos, plats, and surveys) to a georeferenced base map, such as a U.S. Geological Survey topographic map. After the zoom lens is used to adjust for scale differences, data can be transferred (traced) to a stable base overlay (such as mylar or acetate) and digitized by using a geographic information system.