Z15388960 USGS H15388960 6725271405328009702000SW 22750 N15388960 PORCUPINE R NR INTERNATIONAL BOUNDARY YT Y15388960 315388960 19870530 12000012 315388960 19880526 95700 38.90 315388960 19890629 12700012 315388960 19900521 179000 46.58 315388960 19910511 8830012 315388960 19920601 250000 50.76 315388960 19930517 125000 41.39 315388960 19940508 123000 41.22 315388960 19950506 15900012 315388960 19960527 11700019 315388960 19970618 193000 46.81 315388960 19980514 91800 41.69 2 41.69 315388960 19990828 491001 315388960 20000611 97800 38.89 315388960 20010608 110000 40.05 315388960 20020524 636001 315388960 20030601 79800 36.76 2 41.41 315388960 20040520 214000 48.35 315388960 20050510 12600012 315388960 20060517 172000 45.20 315388960 20070601 84000 37.28 315388960 20080518 113000 40.04 315388960 20090527 1110002 40.07 2 41.49 315388960 20100811 155000 43.89 315388960 20110525 2400009 50.20 315388960 20120521 154000 43.85 315388960 20130528 167000 44.85 315388960 20140510 156000129 44.30 315388960 20150515 2060009 48.43 315388960 20160515 142000129 315388960 20170525 1110009 40.25 315388960 20180514 1420009 42.85 315388960 20190518 2010009 47.37 315388960 20210526 992009 38.94 315388960 20220524 108000129