00963cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040002700111050002200138051002300160100003500183245013100218260004300349300005100392490004300443500005000486500004200536650003400578650002800612651004000640999001700680gs 19000057 DLC20260227111323.0760204s1918 dcu f000 0 eng  ags 19000057  a(OCoLC)1966340 aDLCcIDeKNdOCoLCdDLC00aQE75b.B9 no. 685 aTD395b.A8cCopy 21 aAtwood, Wallace Walter,d1872-14a... Relation of landslides and glacial deposits to reservoir sites in the San Juan Mountains, Colorado,cby Wallace W. Atwood. aWashington,bGovt. print. off.,c1918. a38 p.billus. (maps, diagrs.) VIII pl.c23 cm.0 aU.S. Geological survey. Bulletin 685 aAt head of title: Department of the interior. aPlates printed on both sides of leaf. 0aPhysical geographyzColorado. 0aWater-supplyzColorado. 0aSan Juan Mountains (Colo. and N.M.) c25902d25902