That place looks awfully familiar! Myself and another Hide member are out there about every weekend. It's probably the best place for load development. There's usually little if any wind. Were you banging the 400 yard steel?
yeah i was zeroing dta at 100 and then doing 200 and 400 hundred paper. Buddy of my father in law brought a serious collection: 204, ar57, 22-250 and 10x 6.5x284 that was shooting in the same hole at 200..Great guy with awesome toys