 During their explorations, members of the party made detailed maps and observations of the Yellowstone region, exploring numerous lakes, climbing several mountains, and observing wildlife.The expedition visited both the Upper and Lower Geyser Basins, and after observing the regularity of eruptions of one geyser, decided to name it Old Faithful, since it erupted about once every 74 minutes.One member of the expedition, a Montana writer and lawyer named Cornelius Hedges, later wrote a number of articles for a Helena, Montana based newspaper, describing the things the expedition had witnessed.