-
Cenozoic history of northeastern Montana and northwestern North Dakotawith emphasis on the Pleistocenefederal docby Howard, Arthur David, 1906-1986
Published 1960 -
by Andrews, Robin George
Published 2022 -
by Alvarez, Walter, 1940-
Published 2009 -
by Alvarez, Walter, 1940-
Published 2017 -
Published 2008