Z01496200 USGS H01496200 3937340760227002424015SW020600029.03 215 N01496200 PRINCIPIO CREEK NEAR PRINCIPIO FURNACE, MD Y01496200 301496200 19670809 4260 8.89 301496200 19680114 634 5.96 301496200 19690804 7060 9.26 301496200 19700402 896 6.81 301496200 19710828 1260 7.35 301496200 19720622 3020 8.49 301496200 19730629 1210 6.71 301496200 19731221 934 6.06 301496200 19750721 3050 8.50 301496200 19760126 741 5.56 301496200 19770322 745 5.57 301496200 19780126 2120 7.90 301496200 19790922 1150 6.56 301496200 19800321 345 4.31 301496200 19810808 1270 6.85 301496200 19820104 759 5.61 301496200 19830410 1060 6.32 301496200 19831212 1850 7.64 301496200 19850212 1610 7.34 301496200 19851128 177 3.63 301496200 19870908 1010 6.21 301496200 19880519 932 6.04 301496200 19890705 850 5.85 301496200 19900529 660 5.37 301496200 19910112 631 5.29 301496200 19920327 386 4.53 301496200 19990916 34307 8.64