Items marked by the tag "Houghton County Michigan":

CODE: CD-MI-26061-1nc2005

CODE: CD-MI-26061-2nc2006

CODE: CD-MI-26061-1nc2009

CODE: SM-2612580

CODE: SM-2618080

CODE: SM-2636300

CODE: SM-2639360

CODE: SM-2639680

CODE: SM-2644780

CODE: SM-2646360

CODE: SM-2675220

CODE: USGS-MI-26061