((drawing in field book)). A big fold in addition to several small ones spreads the “Dakota” over much territory here. The strong capping limestone of the Morrison can be followed around the north end of the syncline via Carter Lake. The west limb of the anticline, as usual, is steeper than the east limb, from 55 to 80 degrees. The pink krinkled sandstone with limestone bands can be traced around the main syncline in the Lykins at head of Carter Lake. It is much as at Boulder. The medial gray sandstone of the Lykins is very hard and resembles the Lyons sandstone of the quarries NW of Colorado Sanitarium at Boulder. (query, is the latter Lyons?) In the underlying red sandstones of the Lykins at one place just west of the head of Carter Lake I found
