00707cam a22002417a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100002300117245008200140260005700222300003400279490002600313650001900339650001500358700002200373710004400395830002600439CHAP20220329134402.0971013s1975 r 00010 d a19720 a20692 a24780 cCHAP a624.19bA500aAnderson, Alvin G. 0aModel studies of dropsharts for the tunnel and reservoir planb: final report aMinneapolis, Min., :bUniversity of Minnesota,c1975 aca. 380 p.b: ilus. ; gráfs 0aProject reportv; 15414aEscurrimiento.14aTúneles.0 aDahlin, Warren Q.0 aSt. Anthony Falls Hydraulic Laboratory.0 aProject reportv; 154