A local environmental stewardship organization has reported successful results from an experimental river restoration project conducted at the Lower Yuba River. The Hammon Bar Riparian Enhancement Project — administered by the South Yuba River Citizens League on a 5-acre parcel of riverfront land owned by the U.S. Bureau of Land Management — is an attempt to restore the banks of the Yuba River to the condition that preceded the large-scale mining operations in the late 19th century and early 20th century that wrought enormous alterations on the landscape. One of the major alterations was to the riparian habitat flanking the …