1978.
Folio of the Ambler River quadrangle, Alaska
Map
1978.
Folio of the Ambler River quadrangle, Alaska
Map
1978.
Folio of the Ambler River quadrangle, Alaska
Map
1978.
Folio of the Ambler River quadrangle, Alaska
Map
1978.
Folio of the Ambler River quadrangle, Alaska
Map
1978.
Folio of the Ambler River quadrangle, Alaska
Map