00658nam a22002171  4500001001300000003000400013005001700017008004100034010002200075040001700097043001200114050001400126051003000140110002900170245011000199260004300309300001800352610002900370650002400399999001700423gs 10000291 DLC20260227111310.0861114s1910    dcu          f00000 eng    ags 10000291 //r86  aDLC/ICUcICU  an-us---0 aQE75b.C7  aQE75b.C7 Copy 2cCopy 2.20aGeological Survey (U.S.)10aCooperation between the United States and various states in topographic, hydrographic, and geologic work.0 aWashington,bGovt. print. off.,c1910.  a32 p.c25 cm.20aGeological Survey (U.S.) 0aGeological surveys.  c24919d24919