Johnson BG, Thackray GD, Van Kirk R.  2007.  The effect of topography, latitude, and lithology on rock glacier distribution in the Lemhi Range, central Idaho, USA. Geomorphology. 91:38. Abstract

Thackray GD.  2001.  Extensive early and middle Wisconsin glaciation on the western Olympic Peninsula, Washington, and the variability of Pacific moisture delivery to the northwestern United States. Quaternary Research. 55:257-270. Abstract

Thackray GD.  2008.  Varied climatic and topographic influences on Late Pleistocene mountain glaciation in the Western United States. Journal of Quaternary Science. 23:671-681. Abstract