Once a meandering, transient body of water that brought alluvium-rich soils to the Los Angeles Basin, the Los Angeles River has been encased in concrete, severed from its groundwater, and treated as little more than a regional storm drain since the mid-20th century. A multidisciplinary student team with expertise in ecology and mapping, urbanism and access, and heritage conservation and narrative ethnography walked the 51-mile length of the river, encountering and documenting “what has died, survived, and thrived in this industrial and wild landscape.”