Protecting Unique and Beautiful Landscapes by Investing in California Lands Act or the PUBLIC Lands Act This bill sets forth provisions concerning the restoration, economic development, and conservation of, and recreational access to, certain public lands in California. The bill establishes the South Fork Trinity-Mad River Restoration Area, the California Public Lands Remediation Partnership, the Trinity Lake and Del Norte County visitor centers, the Horse Mountain Special Management Area, the Elk Camp Ridge Recreation Trail, the Sanhedrin Special Conservation Management Area, and the Condor National Scenic Trail. The bill designates specified federal lands as components of the National Wilderness Preservation System, the North Fork Wilderness as the North Fork Eel River Wilderness, specified federal lands as potential wilderness areas, specified segments of certain rivers and creeks and of a specified river estuary as components of the National Wild and Scenic Rivers System, the Machesna Mountain and the Fox Mountain Potential Wilderness Areas, the Condor Ridge and Black Mountain Scenic Areas, and the San Gabriel National Recreation Area. Also, the bill authorizes the utilization of certain forest residues for research and development of biobased products that result in net carbon sequestration, authorizes initiatives to restore degraded redwood forest ecosystems in the Redwood National Forest and state parks, requires specified recreational studies and partnerships, and expands the boundaries of the Elkhorn Ridge Wilderness and the San Gabriel Mountains National Monument.