Erdman, J. A.

1962. Ecology of the pinyon-juniper woodland of Wetherill Mesa, Mesa Verde National Park, Colorado. Unpublished M. A. thesis, Univ. Colorado.

Erdman, J. A., C. L. Douglas, and J. W. Marr

1968. The environment of Mesa Verde, Mesa Verde National Park, Colorado. Archeol. Res. Series, No. 7-D. Nat. Park Serv., Washington, D. C., in press.

Esau, K.

1960. Anatomy of Seed Plants. John Wiley and Sons, New York, xvi + 1-376 pp.

Geiger, R.

1965. The climate near the ground. Harvard Univ. Press, Cambridge, Mass., xiv + 1-611 pp.

Hall, E. R.

1928. Note on the life history of the woodland deer mouse. Jour. Mamm., 9:255-256