Z01473950 USGS H01473950 4004470751335004242101SW0204020353.60 108.58 N01473950 Wissahickon Cr at Bells Mill Rd, Phila., PA Y01473950 301473950 19660213 2540 7.81 301473950 19670307 4180 9.52 301473950 19680115 2390 7.64 301473950 19690729 3380 8.72 301473950 19700402 2550 7.82 301473950 19710913 5300 10.53 301473950 19720622 1980 7.14 301473950 19730629 6240 11.31 301473950 19731221 4360 9.68 301473950 19750320 3930 9.27 301473950 19760127 2300 8.48 301473950 19770322 3140 8.48 301473950 19780126 4280 9.61 301473950 19790125 4830 10.11 301473950 19800321 2050 7.20 301473950 19801025 2210 7.40