Format:
IV S., S. C1 - C17, S. D1 - D10
,
graph. Darst., Kt
Series Statement:
Contributions to Precambrian geology of Lake Superior region / P. K. Sims ..., ed. C/D
Note:
Enth. außerdem: The Penokean Orogeny in Minnesota and Upper Michigan / by Timothy B. Holst
Language:
Undetermined