The Rock County bank made its first report to the bank comptroller.

The evidence

• “Crosby, cashier. The first report to the bank comptroller was made July 7, 1856, showing a capital of $50,000, deposits, $66,000, loans $99,000. The Rock county bank commenced business in a”

  1908-brown-rock-county/22-janesville-banking.md, Vol. 1, PDF p. 520 / book p. 482

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources