Rock Climbing Rescues: Causes, Injuries, and Trends in Boulder County, Colorado Daniel A. Lack, PhD, Alison L. Sheets, MD, Jacob M. Entin, BA, David C. Christenson, MSc Wilderness & Environmental Medicine Volume 23, Issue 3, Pages 223-230 (September 2012) DOI: 10.1016/j.wem.2012.04.002 Copyright © 2012 Wilderness Medical Society Terms and Conditions
Figure 1 Rock fall incidents by month (each month labeled by average elevation [in feet] of the incident location). Wilderness & Environmental Medicine 2012 23, 223-230DOI: (10.1016/j.wem.2012.04.002) Copyright © 2012 Wilderness Medical Society Terms and Conditions