Hauke, James 1976 Journal Hotel "Pepsi" Fortin, Est. Veraery, Mexico 29 Jan 11:30 PM - Arrived here a short while ago with my companion Brook & Shaffer after leaving Mexico City earlier today. We arrived in Mexico yesterday PM after an uneventful Western Airlines flight from San Francisco to Los Angeles. After renting a Datsun 1608 from Avis we joined the masses and made our way into Mexico City where we found a reasonably priced hotel just off the Avenida Insurgentes, the Hotel El Paraiso. This morning we arose, breakfasted, called on travelers checks, and set out in search of liquid nitrogen. The sources given to me in San Francisco by Union Carbide proved incorrect and we spent 3-4 hours driving through various parts of Mexico City until we located a source at Argon, S.A. located in Naucalpan de Juarez just outside of Mexico City. The nitrogen was quite reasonably priced at 7 pesos/litro. We left Mexico City at ~1:30 PM on Mex Hwy 150 bound for Puebla (the non-toll road). After ascending into the mountains W of Mexico City we decided to stop and visit some part of the extensive pine forest traversed by the road. The exact locality was just