Jones & Stokes, 2000. FCC Checklist and Report, Williams Communications, Inc. Herald Regenerator Facility Site.
County of Sacramento, 2001. Initial Study and Negative Declaration, Herald Fiber Optics Site Use permit and Variance.
County of Sacramento, 2001. Conditional Use Permit, Herald Fiber Optics Site.
California Department of Fish and Game, 2001. California Natural Diversity Database (CNDDB), May.