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100   $a20230509c2019uuuu  -u-            -
101 0 $aeng
200 10$aGeological and geophysical data for a three-dimensional view : inside the San Juan and Silverton Calderas, Southern Rocky Mountains Volcanic Field, Silverton, Colorado
210   $cU.S. Department of the Interior, U.S. Geological Survey$aReston, Virginia
517   $aGeological and geophysical data for a three-dimensional view 
906   $aBOOK
912   $a9910712211803321
996   $aGeological and geophysical data for a three-dimensional view : inside the San Juan and Silverton Calderas, Southern Rocky Mountains Volcanic Field, Silverton, Colorado$93332033
997   $aUNINA