The purpose of this document is to summarize a 20 Year Light at Night Monitoring Plan to determine changes in sky brightness and local lighting levels that will evolve as the Project construction and operation proceeds.
STEM Laboratory Inc. 2012. 20 Year Monitoring Plan: Light at Night (LAN) Measurements at Rosemont Copper Project. Submitted to Monrad Engineering Inc. for the Rosemont Copper Project. Tucson, AZ: STEM Laboratory Inc. May 20.