Tuscarora about 300 ft thick. Left Everett at 3.30 and got to Altoona at 6.30 M. Stopping at the rail road hotel. Beneath the "traced boulder bed" there are 3 feet of beds that are probably best added to the Lellean's. They have the matulinian character while the next hard bed below is of the Orchestean type somewhat crystalline di. Riff has a photo of the contact. Strata also low diff from 150, to the N.