Cover image for Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic
Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic
Title:
Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic
Author:
Churkin, Michael, 1932-
Personal Author:
Publication Information:
Washington : U.S. Govt. Print. Off., 1970.
Physical Description:
iii, 51 pages, 10 unnumbered pages : illustrations, maps. ; 29 cm.
Language:
English
Added Author:
Format :
Book