Holocene environmental changes in the alpine zone, northern San Juan Mountains, Colorado: Evidence from bog stratigraphy and palynology

Andrews, J. T. ; Carrara, P. E. ; King, F. B. ; Stuckenrath, Robert, Jr. (1975). Holocene environmental changes in the alpine zone, northern San Juan Mountains, Colorado: Evidence from bog stratigraphy and palynology . Quaternary Research, 5 (2) , 173-197. http://dx.doi.org/10.1016/0033-5894(75)90022-8