Foster, Helen Laura 1919-
Reconnaissance geology of the Eagle A-1 and A-2 Quadrangles Alaska / By Helen L. Foster. -- Washington : United States Government Printing Office, 1969 - 30 p. + 1 map. pleg. -- (Geological Survey Bulletin ; 1271-G).
Geología - Alaska
55(798)
Reconnaissance geology of the Eagle A-1 and A-2 Quadrangles Alaska / By Helen L. Foster. -- Washington : United States Government Printing Office, 1969 - 30 p. + 1 map. pleg. -- (Geological Survey Bulletin ; 1271-G).
Geología - Alaska
55(798)