Federal Land Manager Environmental database

This website provides access to an extensive database of environmental data and an integrated suite of online tools and resources to help Federal Land Managers assess and analyze the air quality and visibility in Federally-protected lands such as National Parks, National Forests, and Wilderness Areas本网站提供对广泛的环境数据数据库的访问权限，以及一套集成在线工具和资源，旨在协助联邦土地管理者评估和分析联邦保护区，如国家公园、国家森林和荒野地区的空气质量及能见度。