Report - pubs.usgs.gov · QIp Qif c Qip Qgc . \ Qgc , 05' 26 20 QIp Qip ice ËÎeîds± 235 Qtm THE QIm 04' 01' Qgc BULLETIN 1079 ... 31 Qtm 10 / Qgç 31 Qtrn 80 304" Qif 30 Qtmv-

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