Figure 9. Echo-sounding data for ship track 043_1252 on the Yakima River at the Union Gap near Union Gap, Washington, 2008. (A) Single-beam editor showing raw sounding data with time along the x-axis (12:52:12 to 12:53:42) and elevation along the y-axis in meters. (B) Single-beam editor showing edited data after deleting elevation points with the same axes. (C) Trackline 043_1252 plotted over a color infrared image taken in 2000 and provided by the Bureau of Reclamation.