Powder Keg Bluff Recounted in 1894 Letter The following letter was copied from the original on file at the State Historical Society Library in Madison: Sturgeon Bay, Wis. January 24, 1894 H. K. White 202 Park Street Madison, Wisconsin Dear Sir: By request of Wm. O. Brown I send the following statement of matters relating to the Door Peninsula which have come under my observation or of which I have credibly informed.