“…Discussions of the specifi c details of facies patterns and diagenesis are also presented in the road log section of this guidebook. The log owes much to previous guidebooks (Nelson and Haigh, 1958;Anonymous, 1960Anonymous, , 1962Anonymous, , 1964Anonymous, , and 1969Dunham, 1972;Pray, 1975;. However, this guidebook has extensive additional commentary on many localities and is organized differently from previous guides.…”