WASHINGTON, Aug. 9 -- The U.S. Department of the Interior's U.S. Geological Survey issued the following news release: RESTON, Va. Low-level helicopter flights are planned over a broad region in north central Colorado to image geology using airborne geophysical technology. Flying will begin in mid-August 2024 and is slated to last up to three months, weather and wildfire restrictions permitting. Flights will cover portions of Boulder, Chaffee, Clear Creek, Eagle, Gilpin, Grand, Jefferson, Lake  more