00547nam a2200181 i 4500008004100000040000800041082001700049100001900066245006400085250002100149260005000170300003000220336002600250337002800276338002700304500002000331650001400351250829s1964    xx a          001 0 und d  aGCL  a551.483bBAR10aBarbach, John 10aDownstream :bA Natural Hstory of the River /cJohn Barbach  aA Ladder edition  bMacfadden-Bartell Coorporation,aUSA :c1968.  a114 Pages :bpbk.c18 cm.  atextbtxt2rdacontent  aunmediatedbn2rdamedia  avolumebnc2rdacarrier  aIncludes Index.  aGeography