BASE CONTRACT FOR SALE AND PURCHASE OF NATURAL GAS DATED NOVEMBER 13, 2002 BETWEEN UGI ENERGY SERVICES, INC. AND VIKING RESOURCES CORP.
Exhibit
10.13
BASE
CONTRACT FOR SALE AND PURCHASE OF NATURAL
GAS
DATED NOVEMBER 13, 2002 BETWEEN UGI ENERGY
SERVICES,
INC. AND VIKING RESOURCES CORP.