Snow, Ice, Avalanches, and Glaciers - Mountain Geography: Physical and Human Dimensions - page 150

FIGURE 4.3 A sample of the thousands of snow crystal photographs taken by Wilson Bentley.
(Image courtesy of Wilson Bentley Digital Archives of the Jericho Historical Society, ht-
tp://snowlakebentley.com . )
TABLE 4.1
Crystal Form Results for Varying Temperatures