div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader043vdocumentsusreader043viewer20220308055b0e4b087f8b9a2c3b8e78f1html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: pubsusgsgov ground water Phoenix area Arizona US Geological Miscellaneous Investigations Series 1-845-K showing in the Survey is as much as 1000 ft thick as much as 700 ft src=https:reader043vdocumentsusreader043viewer20220308055b0e4b087f8b9a2c3b8e78f1html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdiv