{"id":692,"featured":0,"modified":"2026-04-17 19:40:08","latitude":46.59073979999998726952981087379157543182373046875,"longitude":-112.03722900000002482556737959384918212890625,"title":"C.W. Cannon Building","subtitle":"Helena Historic District","fullsize":"https://mail.historicmt.org/files/fullsize/f0aadd6856f2b6244f3c13ce8ce0972e.jpg","address":"401 North Last Chance Gulch, Helena, Montana","all_locations":[],"zoom":17,"creator":["Montana National Register Sign Program"],"description":"Prominent Helena investor and real estate developer Charles W. Cannon commissioned the firm of Wallace and Thornborgh to construct this building for $10,000. Completed in 1890, the building reflects expansion and urbanization in the downtown area during this period of growth. An excellent example of the multiple storefront form, this architectural style helped satisfy the need for choice commercial space. The building originally housed five small shops, each with its own display window and entrance.","sponsor":null,"accessinfo":"Private","lede":"","website":"","related_resources":["<a href=\"https://npgallery.nps.gov/NRHP/GetAsset/3fca4448-c79e-4066-a62a-fe552a5d23e2\" target=\"_blank\" rel=\"noreferrer noopener\">Read about the Helena Historic District</a>","<a href=\"https://npgallery.nps.gov/NRHP/GetAsset/d8c79c92-0567-4c6d-8d35-cf378fb0b7ce/\" target=\"_blank\" rel=\"noreferrer noopener\">See photos of the Helena Historic District</a>"],"factoids":[],"files":{"https://mail.historicmt.org/files/fullsize/f0aadd6856f2b6244f3c13ce8ce0972e.jpg":{"id":3296,"mime-type":"image/jpeg","title":"C.W. Cannon Building","description":"C.W. Cannon Building. Front to side view of the building, facing east to northeast at the intersection of North Last Chance Gulch and Lawrence Street with the Iron Front Hotel to the left in the photograph. Digital photograph. | Montana Historical Society | Jan. 2020 | Michael Connolly","thumbnail":"https://mail.historicmt.org/files/square_thumbnails/f0aadd6856f2b6244f3c13ce8ce0972e.jpg"},"https://mail.historicmt.org/files/fullsize/b264cb1143de0c80df1e7456ed285cfc.jpg":{"id":3297,"mime-type":"image/jpeg","title":"C.W. Cannon Building","description":"C.W. Cannon Building. Front to side view of the building, facing east on the corner of North Last Chance Gulch and Lawrence Street with the Iron Front Hotel to the left in the photograph. Digital photograph. | Montana Historical Society | Jan. 2020 | Michael Connolly","thumbnail":"https://mail.historicmt.org/files/square_thumbnails/b264cb1143de0c80df1e7456ed285cfc.jpg"}}}