01/08 



02/07 03/09 04/08 05/08 

 New logger S/H/213620 TEMP/RH ... 



06/07 07/07 

 S/N 213620 



Figure 2. Relative humidity of the McDonald Mine East Adit (shallow location), Lake County, 

 Montana, from December 1998-July 1999. Electronic data recorder was 39.7 m from the 

 mine portal 



