Z01476435 USGS H01476435 3958500753100004242029SW020402029.71 N01476435 Ridley Creek at Dutton Mill near West Chester, PA Y01476435 301476435 19750714 800 5.89 301476435 19760127 534 4.05 301476435 19770322 611 4.50 301476435 19780126 855 6.37 301476435 19790906 731 5.32 301476435 19791001 767 5.62 301476435 19810721 412 3.90 301476435 19820602 430 4.00 301476435 19830321 568 4.61 301476435 19840529 518 4.38 301476435 19850927 745 5.33 301476435 19860126 298 3.27