PETROHAWK [LOGO GOES HERE] ENERGY CORPORATION JULY 14, 2003 VIA EMAIL AND OVERNIGHT DELIVERY MI MIKE NEWPORT PRESIDENT MAINLAND RESOURCES, INC 117314 SH 249, SUITE 306 HOUSTON, TEXAS 77064 RE LETTER AGREEMENT RELATING TO DEVELOPMENT OF ACREAGE IN...Joint Development Agreement • July 18th, 2008 • Mainland Resources Inc. • Metal mining
