Clark DH, Steig EJ, Potter JN, Gillespie AR.  1998.  Genetic variability of rock glaciers. Geografiska Annaler. Series A: Physical Geography. 80:175-182.

Konrad SK, Humphrey NF, Steig EJ, Clark DH, Potter N, Pfeifer WT.  1999.  Rock glacier dynamics and paleoclimatic implications. Geology. 27:1131-1134.

Potter JN, Steig EJ, Clark DH, Speece MA, Clark GM, Updike AB.  1998.  Galena Creek Rock Glacier Revisited: New Observations on an Old Controversy. Geografiska Annaler. Series A: Physical Geography. 80:251-265. Abstract

Steig EJ, Fitzpatrick JJ, Potter JN, Clark DH.  1998.  The Geochemical Record in Rock Glaciers. Geografiska Annaler. Series A: Physical Geography. 80:277-286. Abstract