Author:

Kosanke,R.M.

Year:

1973

Title:

Palynological studies of the Coals of the Princess Reserve District in northeastern Kentucky

Reference:

Kosanke,R.M. (1973) Palynological studies of the Coals of the Princess Reserve District in northeastern Kentucky United States Geological Survey, Professional Paper # 839 P. 1- 22

Google Academy:

try to search by title in english