20 17-18 August 1979 Strozzi Ranch, Dena 6600' set 40 Sherman traps, bait oats, 1 every 25 steps, from near top of rocky ridge E of camp, across canyon, over W ridge to valley. Set by 11 am, picked up by 11 am next day. P start at valley W of camp. 144. Peromyscus maniculatus 22.2g 152-57-21-17 8? d2o 12x6 low ridge, parsley, artemesia 145. Perognathus parvus 13.9g 159-84-23-9 f no emb no scars cow ridge, rocky, parsley, artmesia 146. Perognathus parvus 19.3g 180-95-25-9 f 7scars bench, cow bed ground, sage NW facing, steep rocky slope 147. Peromyscus maniculatus 18.9g 154-62-20-18 f no emb no scars top of ridge, rocky, leypelopappus 148. Peromyscus crinitus 12.18g 156-81-20-19 o? zero 9x5 10x5 under juniper, rocky 149. Peromyscus crinitus 14.4g 167-88-20-20 f no emb no scars very rocky, dead juniper 150. ? missing? rocky, sage