18-R-22 Evaluating Stock Pile Volumes Using a Small UAV Print Page Published October 20, 2018 by David Mason | Project Manager, SAM Survey and Mapping, LLC, [email protected], Work: (850) 385-1179 ext. 322, www.sam.bizContent is restricted to FRA members only.Become FRA MemberReviewed by: Rick Meyer Appalachian & Southwide Regions Manager