Geophysical, Sedimentological, and Photographic Data from the John Day Reservoir, Washington and Oregon: Data Archive and Preliminary Discussion USGS Open-File 2004-1014 HOME | CONTENTS | GEOLOGIC DISCUSSION | DATA/GIS | METADATA | REFERENCES | CONTACTS |
Table of Contents:OF 2004-1014Disc Contents
Geologic
|
Figure 6. Click in figure for larger image. Alluvial fan shown on the sidescan-sonar image (A), and the same feature on an aerial photo-mosaic of imagery collected prior to construction of the dam (B). Bottom photograph (C) shows that the surface of this fan is gravel and cobbles covered by a fine sediment blanket. Location shown in Figure 3. |