Mr. Stoecker's study extended into the Fall months, therefore, we do not have a report available at this time. Project Number 166.
Stoecker, Robert E.
"Competition between Microtus montanus and Microtus pennsylvanicus,"
Jackson Hole Research Station Annual Report: Vol. 1969
, Article 22.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1969/iss1/22