Another example of the of the standard hillshade vs. 'isotropic' hillshade (isoshade) concept previously described with reference to the Owyhee River, OR. These are from a couple of reaches of the the Bill Williams River, AZ. The BWR data set is fine until the trees get in the way. Both image variations are pleasing. The standard hillshade looks 'natural' but the isoshade image reveals more intricate details.