MASTER NATURAL GAS GATHERING AGREEMENT DATED FEBRUARY 2, 2000 AMONG ATLAS PIPELINE PARTNERS, L.P. AND ATLAS PIPELINE OPERATING PARTNERSHIP, L.P., ATLAS AMERICA, INC., RESOURCE ENERGY, INC., AND VIKING RESOURCES CORPORATION

Exhibit 10(g)

MASTER NATURAL GAS GATHERING AGREEMENT DATED FEBRUARY 2, 2000 AMONG ATLAS PIPELINE PARTNERS, L.P. AND ATLAS PIPELINE OPERATING PARTNERSHIP, L.P., ATLAS AMERICA, INC., RESOURCE ENERGY, INC., AND VIKING RESOURCES CORPORATION