nps.gov的 10 大竞争对手

recreation.gov

As you book camping, day-use, and cabin reservations on Recreation.gov, please review these standard policies that apply to most locations. Keep in mind, that there are many exceptions, so it is best to review reservation information on individual facility pages for those policies and procedures that pertain to specific locations. Policies listed for specific locations supersede these Recreation.gov site-wide policies.

nationalparks.org

As the official charitable partner of the National Park Service, we provide resources for the national parks. Support this uniquely American idea.

npca.org

A collection of NPCA magazine articles, blog posts, and podcast episodes highlighting paleontology in the national parks.

alltrails.com

Explore the outdoors with AllTrails, the best app for hiking, biking, and running. Discover curated guides, trail maps, photos, and reviews for over 500,000 trails worldwide.

usgs.gov

The Energy Act of 2020 defined critical minerals as those that are essential to the economic or national security of the United States; have a supply chain that is vulnerable to disruption; and serve an essential function in the manufacturing of a product, the absence of which would have significant consequences for the economic or national security of the U.S. The act further specified that critical minerals do not include fuel minerals; water, ice, or snow; or common varieties of sand, gravel, stone, pumice, cinders, and clay. Mineral criticality is not static, but changes over time as supply and demand dynamics evolve, import reliance changes, and new technologies are developed. The 2025 list of critical minerals/elements includes:AluminumCobaltHafniumMetallurgical CoalRhodiumThuliumAntimonyCopperHolmiumNeodymiumRubidiumTinArsenicDysprosiumIndiumNickelRutheniumTitaniumBariteErbiumIridiumNiobiumSamariumTungstenBerylliumEuropiumLanthanumPalladiumScandiumUraniumBismuthFluorsparLeadPhosphateSiliconVanadiumBoronGadoliniumLithiumPlatinumSilverYtterbiumCeriumGalliumLutetiumPotashTantalumYttriumCesiumGermaniumMagnesiumPraseodymiumTelluriumZincChromiumGraphiteManganeseRheniumTerbiumZirconiumLearn More: National Minerals Information CenterCritical MineralsUSGS Mineral Resources Program

yosemite.com

Join the Yosemite Conservancy every Friday from May 1 through August 28 at the Yosemite Valley Lodge for a paint and sip class! Dip your toes into the world of […]

yellowstone.org

Join more than 73,000 Yellowstone Forever supporters around the world who have made a commitment to visitor education and park preservation.

bcparks.ca

Find out how to get in touch with BC Parks by email, phone, mail, or on social media, as well as details about contacting BC provincial campgrounds.

fs.usda.gov

GeneralWhat is a UAS?Collectively, a UAS consists of an aircraft platform, sensor and communication payloads, and the ground control segment. Federal Aviation Administration (FAA) policy identifies “Unmanned Aircraft (UA) as ‘aircraft’ flown by a ‘pilot’ regardless of where the pilot is located." The Forest Service has adopted the same policy.

visitgrandcanyon.com

Learn about Delaware North's commitment to sustainability.