File:Fort armstrong, Rock Island, Illinois.jpg

Description: This photograph of an old painting of Fort Armstrong is one of the only clear pictures of the Quad Cities during the 1800's. The painting is assumed to be created by a man by the name of Octave Blair who was an early captain in the Corps of Engineers. The painting, which depicts what currently serves as the Rock Island Arsenal was painted from the Iowa side of the Quad Cities, showing the hills and trees of Rock Island in the background. Date: 1839 Source: An old painting of Fort Armstrong found stored in the basement of an old building. Author: The author of the painting is unknown, however, it is attributed to Octave Blair, an early captain in the Corps of Engineers. Permission: WikiMedia Commons License: This image (or other media file) is in the public domain because its copyright has expired. This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.