To this lot added lots 4459, 4460; two absolute levels for pt. L: Dinsmoor: 170.755; Other: 170.60 Original stratum: LT: Area B, cut 22:1964. Layers 21, 22, 22, 23A Temp Lot Number: 497 ... NB286 B3 P184 ... NB286 B1 P182