ii NIGHT SKY AND DARK ENVIRONMENTS: BEST MANAGEMENT PRACTICES FOR ARTIFICIAL LIGHT AT NIGHT ON BLM-MANAGED LANDS TECHNICAL NOTE 457 Acknowledgments The Bureau of Land Management (BLM) appreciates the many professionals whose comments improved this technical note. This technical note is a product of many different BLM programs and perspectives from field, state, and national levels. It reflects the input of dozens of program staff and many others. In addition to Argonne National Laboratory, the BLM thanks the following government agencies and nongovernmental organizations for providing extensive review and technical expertise: • AE Design • Clanton & Associates, Inc. • Colorado Department of Transportation • Colorado Plateau Dark Sky Cooperative • Colorado State University • Consortium for Dark Sky Studies at the University of Utah • Federal Communications Commission • Institute of the Environment and Sustainability at UCLA (University of California, Los Angeles) • International Dark-Sky Association • Kaibab Paiute Tribe • Leibniz-Institute of Freshwater Ecology and Inland Fisheries • National Park Service • Night Sky Metrics LLC • Sierra Club, Grand Canyon Chapter • Space Art Travel Bureau • Stantec • Starry Skies Lake Superior IDA • The Nature Conservancy • University of Utah • U.S. Fish and Wildlife Service • U.S. Forest Service The authors thank Paul Doshkov, Tamara Faust, Joelle Gehring, Ram Hari, David Korzilius, Kristen Lalumiere, P. Evan Myers, Jesse Pluim, Karla Rogers, Greg Shine, Kyle Sullivan, Robert Sullivan, David Walker, Haley Webster, and Bob Wick for providing photos into the public domain for use in this publication. A special thanks goes to those who gave extra effort to acquire photos to illustrate specific concepts in this publication.
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