Galena is the area around Galena Creek on the Mount Rose corridor south-west of Reno, forested and appreciably higher than the Truckee Meadows floor. That elevation difference is not cosmetic. Snowfall in the foothills west of Reno runs two to three times the roughly 20.9 inches the valley floor sees, and winter temperatures are correspondingly colder.
For basement work the practical consequences are two. First, insulation and air sealing matter more here than anywhere in the valley, both for compliance and for whether the finished room is somewhere you want to sit for two hours in January. Specifying to valley-floor assumptions gives you a technically finished basement that is genuinely cold.
Second, anything outside is seasonal. Excavating for an egress window well is outdoor work on sloped, sometimes forested ground, and in a heavy winter that gets scheduled around the weather rather than forced through it. Interior stages carry on regardless, so a sensible sequence does exterior work in the shoulder seasons and finishing through the cold months.
On the positive side, this is sloped ground with a lot of custom building, so walkout and daylight lower levels are common, and many were left as shells for owners to finish.