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

Figure 20. Historical photographs associated with former U.S. Geological Survey (USGS) streamflow-gaging station 11502000, near Chiloquin at FK 0.7, showing substantial saw-log transport. Photographs from USGS Oregon Water Science Center files. A. 2(?) May 1918 view upstream from former wagon bridge crossing of the Sprague River at FK 0.7 (date not specifically noted, but indicated by accompanying notes). B. 6 May 1918 view downstream from near USGS gage-house location; bridge visible in upper right of image. C. 6 May 1918 view of USGS gage house on right bank of Sprague River near FK 0.7.

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

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.