01/08 

 1999 



02/07 



03/09 04/08 05/08 



New logger S/N/213604 TEMP/RH ... 



06/07 07/07 



S/N 213604 



Figure 8 Relative humidity of the Gypsum Mine Adit #2, Jefferson County, Montana, from 

 January-July 1999 Electronic data recorder was 8 m from the mine portal 



13 



