00821nam0-22003011i-450-99000178007040332120021010000178007FED01000178007(Aleph)000178007FED0100017800720021010d--------km-y0itay50------baitaOrganic content of lake waterEdward A. Birge, Chancey Juday.WashingtonGovernement Printing Office1926.23 p.29 cmIdrologia551.48Birge,Edward A.77634Juday,ChanceyITUNINARICAUNIMARCBK99000178007040332160 MISC. A 1/19FAGBCFAGBCOrganic content of lake water409575UNINAING01