It became a pattern over the course of the following weeks. Every few days, two, three, or sometimes four travelers would ring the bell at Casa Alpina. Pino would lead them out in the wee hours of the morning, climbing by what light the moon offered, and using the carbide miner’s lamp only during cloud cover and the dark of the moon. On these trips, after handing over his charges to Bergstrom, he went to the shepherd’s hut
— Mark T. Sullivan