Figure 1. Deployment of Little Goose Dam JSATS hydrophones.

A) Plan view of JSATS hydrophones at Little Goose Dam on the Snake River. The black solid circles indicate the locations of dam-face hydrophones. B) Forebay view of locations of hydrophones deployed at two different elevations at each pier nose. The origin is set at the normal pool surface level near the south end of the powerhouse. The x direction is perpendicular to the dam face, while the y direction is parallel to the dam face.