If you are logged in with a Research4Life password, you are accessing from an institution where this resource is not on offer. You can proceed as a member of the public using the link below.
If you are not logged in with a Research4Life password, you can log in now for greater access:
Log in for access
If you don't have a Research4Life password or don't want to log in, you can view
Tertiary and Cretaceous Coals in the Rocky Mountains Region: Casper, Wyoming to Salt Lake City, Utah June 29-July 8, 1989, Field Trip Guidebook T132
as a member of the public: