div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220309155b6176a87f8b9a36488c5fc0html5page1jpg target=_blank img data-url=documentd-usgs-this-report-represents-the-culmination-of-efforts-by-many-people-thehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: d - USGS€¦ · This report represents the culmination of efforts by many people The authors specifically wish to thank The authors specifically wish to thank A H Cogbill of LA loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220309155b6176a87f8b9a36488c5fc0html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220309155b6176a87f8b9a36488c5fc0html5page2jpg target=_blank img data-url=documentd-usgs-this-report-represents-the-culmination-of-efforts-by-many-people-thehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: d - USGS€¦ · This report represents the culmination of efforts by many people The authors specifically wish to thank The authors specifically wish to thank A H Cogbill of LA loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220309155b6176a87f8b9a36488c5fc0html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220309155b6176a87f8b9a36488c5fc0html5page3jpg target=_blank img data-url=documentd-usgs-this-report-represents-the-culmination-of-efforts-by-many-people-thehtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: d - USGS€¦ · This report represents the...