Exhibit 16.1
October 25, 2007
Securities and Exchange Commission
100 F Street N.E.
Washington, D.C. 20549
Dear Sirs/Madams:
We have read and agree with the comments in Item 2.01, Section 1 of Form 8-K of Petrosouth Energy Corp., f/k/a Mobridge Explorations, Inc. dated October 26, 2007 related to the dismissal of our firm as the registrant’s independent registered public accounting firm.
Yours truly,
/s/ Madsen and Associates, CPAs
Madsen and Associates, CPAs
Murray, Utah