US-NV: add missing boundary for Big Bend of the Colorado State Recreation Area
US-NV: add operator, website, and protection title to Old Las Vegas Mormon Fort SHP
US-NV: add operator, website, and other details to Spring Mountain Ranch State Park
US-NV: add operator, website, and other details to Ice Age Fossils State Park
US-NV: update boundary and add details to Beaver Dam State Park
US-NV: update boundary and add details to Kershaw-Ryan State Park
US-NV: update boundary and add details to Cathedral Gorge State Park
US-NV: update boundary and add details to Echo Canyon State Park
US-NV: update boundary and add operator and protection title to Spring Valley State Park
US-NV: add operator and protection title to Ward Charcoal Ovens State Historic Park
US-NV: add operator and protection title to Berlin Icthyosaur SP
US-NV: add additional subunits to Walker River State Recreation Area
US-NV: add details to Walker River State Recreation Area
US-NV: add details to Van Sickle Bi-State Park
US-NV: add details and fix name on Spooner Lake & Backcountry State Park
US-NV: add missing boundary for Washoe Lake State Park
US-NV: add missing boundary for South Fork State Recreation Area
US-NV: add details to Rye Patch State Recreation Area
US-NV: add details to Wild Horse State Recreation Area