div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentus-geological-survey-publications-warehouse-open-file-report-iotamorphic-rockshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: US Geological Survey Publications Warehouse · OPEN-FILE REPORT IOTAMORPHIC ROCKS 81-1 170 380 30 310 000 FEET 2 4263000mN GEOLOGICAL SURVEY 261000mE 265 000 F Ols 8800 rp loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220427105f612171be528b28885deb92html5thumbnails1jpg width=140 height=200 divdiv