Z09486300 USGS H09486300 3222271110031000404019SW15050301250 2380. N09486300 CANADA DEL ORO NEAR TUCSON, AZ Y09486300 309486300 19590721 1700027 1950 309486300 19610901 1200027 309486300 19640910 800027 309486300 19651222 2290 4.53 309486300 19670805 652 3.76 309486300 19671220 13900 7.65 1959 309486300 19690722 454 3.51 309486300 19700818 1930 4.37 309486300 19710817 4200 5.20 309486300 19720812 728 4.17 309486300 19721019 3750 3.85 309486300 19740720 7700 5.80 309486300 19750904 454 3.50 309486300 19760905 2220 4.50 309486300 19770809 4500 5.30 309486300 19780116 2070 4.40 309486300 19781125 1380 3.90 309486300 19800719 4240 5.27 309486300 19810725 5900 5.75 309486300 19831001 6600 5.94