Geomorphology and Flood-Plain Vegetation of the Sprague and Lower Sycan Rivers, Klamath Basin, Oregon

Figure 29. Approximately matched photograph pair at FK 81.4 near the downstream end of the Beatty Gap valley segment. A. Bureau of Reclamation photograph of former Beatty Bridge location, probably from 21 May 1904 establishment of short-lived streamflow-gaging station near present site of Oregon Water Resources Department station 11497500 (Klamath Waters Digital Library; http://digitallib.oit.edu/cdm/singleitem/collection/kwl/id/522/rec/5, accessed 11 February 2012). B. Photograph made 29 June 2007 from similar location, showing increase of riparian willow, hillslope juniper, and transmission towers.

Contents:

• Summary and Significant Findings
• Introduction
• The Sprague River Basin
• Study Area, Methods and Data Sources
• Geomorphic Mapping and Geologic History
• Valley Segments
• Channel and Flood-Plain Conditions and Processes
• Flood-Plain and Riparian Vegetation
• Implications for Restoration and Monitoring
• References Cited
• Location Map
• Plate
• Study Description and Links to Map Data

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