Offset location and measurement

Latitude Longitude Distance to reference Best Offset (m) Offset Range (m) Quality Rating Comment
35.14479 -119.68652 85.44 km 13.8 13.0 - 15.0 Moderate-Low Beheaded channel. Correlation with Sieh uncertain.

Figures of current and back-slipped topography

Hillshade with profiles Topographic profiles and GOF
Hillshade plot Hillshade plot, Optimal back-slip
Contour plot Contour plot, Optimal back-slip

Sieh (1978)

Offset (m) Error (m) Quality Rating Comments
13.9 +/-0.8 Poor/Fair Much post-1857 headward erosion of beheaded gully ("spring-sapping"?). No fault trace clearly evident. Incision of source gully in post-1929 photos.