From a display ad in the Boise News, Idaho City, Boise County, Idaho Territory, Saturday, 22 October 1864, p. 1:
BOISE CITY, I. T. [Idaho Territory]
Phipps & Yates, Props.
The undersigned would respectfully inform their friends, and the public in general that they have rented the above named Hotel, and are prepared to furnish their patrons with accommodations equal to any in the city. The Table will be supplied with the best that can be obtained in the market, and lodgers will be furnished with Nice Clean Beds. Idaho city and Gwyhee stages arrive and depart from this House.
JOHN C. PHIPPS,
WM. A. YATES.