div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Johns Hopkins University · 2018 7 5 · This folio describes the geology hydrology and mineral resources of a 712- minute topographic quadrangle in north-central Maryland src=https:reader033vdocumentinreader033viewer202206091260a6cf688a293e3fb77a984ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Johns Hopkins University · 2018 7 5 · This folio describes the geology hydrology and mineral resources of a 712- minute topographic quadrangle in north-central Maryland src=https:reader033vdocumentinreader033viewer202206091260a6cf688a293e3fb77a984ahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Johns Hopkins University · 2018 7 5 · This folio describes the geology hydrology and mineral resources of a 712- minute topographic quadrangle in north-central Maryland src=https:reader033vdocumentinreader033viewer202206091260a6cf688a293e3fb77a984ahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Johns Hopkins University · 2018 7 5 · This folio describes the geology hydrology and mineral resources of a 712- minute topographic quadrangle in north-central Maryland src=https:reader033vdocumentinreader033viewer202206091260a6cf688a293e3fb77a984ahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: Johns Hopkins University · 2018 7 5 · This folio describes the geology hydrology and mineral resources of a 712- minute topographic quadrangle in north-central Maryland src=https:reader033vdocumentinreader033viewer202206091260a6cf688a293e3fb77a984ahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdiv