Roosevelt Dam 27 Mesocal li., 300'. Best exposure along Phoenix road from "dam to a point about 100 yards beyond the first sharp turn to east." Sand & flomitic chert li. with little or no shale. Said Tice crazy, is this Cryptogon? Rusty basalt 40'-60'. Particular top and bottom, TrO2 quartzite, here better TrO2 sandstone. On road between dam and cement quarry as follows: Cross-bedded felly ss. Zonal beds massive, basal bed striped red and gray. Differs beds Ticeina 100' Cross-bedded felly ss. with horn mica ss. shale 40 Dark brown sh. grading up into ss. 20 Therefore there's a good deal here 160 Total Cambria 1380 feet Martin li.= Devonian 300'+ thin bedded li., ss., a quartzite. Zonal beds compact gray li. Top is sh. As a whole more sandy here than at Globe. Less frutiferous, there is "sharp edge just east of dam and south of the cement quarry" = Ophithkia striatula, Phinifera whitregi animes- censis, etc. Tornado li. Top eroded. Light gray fine li. Quarried for cement. Until one's of dam on which stands the hotel. See for fossils at Sandy Tree, about 5 miles E. of the dam. = Early Mississippian: Tremphyllem uscaratum, Leptothyra typa Schuchertella maegualis, Parodusties eratus, Camarodrachi