'Susitna' definitions:

Susitna, AK -- U.S. Census Designated Place in Alaska

From: Gazetteer 2000
Name :
Susitna, AK -- U.S. Census Designated Place in Alaska
Population (2000) :
37
Housing Units (2000) :
102
Land area (2000) :
158.237008 sq. miles (409.831951 sq. km)
Water area (2000) :
0.610672 sq. miles (1.581632 sq. km)
Total area (2000) :
158.847680 sq. miles (411.413583 sq. km)
FIPS code :
74340
Located within :
Alaska (AK), FIPS 02
Location :
61.557631 N, 150.576743 W
Note :
some ZIP codes may be omitted esp. for suburbs.