2011-03-11_REPORT - M1999051

• Permit No: M1999051
• IBM Index Class Name: REPORT
• Doc Date: 3/11/2011
• Doc Name: Annual Fee/Report/Map
• From: Natural Soda, Inc.
• To: DRMS
• Permit Index Doc Type: Annual Fee/Report
• Media Type: D
• Archive: No

A
NATURAL SODA
March 7, 2011
RE: 2010 Annual Report - Rock School Lease
Dear Ms. Rodriguez:
As Pure & Natural As Nature Itself
Natural Soda, Inc. submitted the 2010 Annual Report for active nahcolite mining under Permit
No.M-1983-194. There have been no new activities associated with the Rock School Lease,
Permit No. M-1999-051, other than the sampling of monitoring wells reported in the M-1983-
194 Annual Report. No disturbances are anticipated for the upcoming year.
Should you have any questions or comments, please contact me at [phone] x 14.
Sinc reI
o Warneke
Director of Manufacturing
Natural Soda. Inc. • 3200 R13C Road 31 • Rifle, Colorado 8'1650 • Ph 970-878-3074 • Fx 970-878-5866 • www.naturalsoda.com