Image: 1891 Power Block building - Helena, Montana
Description: 1891 image of Power Building, now known as the Power Block, in Helena, Montana, U.S. Image credited to A. W. Lyman
Title: 1891 Power Block building - Helena, Montana
Credit: Connor, Glen (August 2006) "HISTORY OF WEATHER OBSERVATIONS HELENA, MONTANA". Figure 13. Notation in source: "prepared for the Midwestern Regional Climate Center under the auspices of the Climate Database Modernization Program, NOAA's National Climatic Data Center, Asheville, North Carolina." https://mrcc.illinois.edu/FORTS/histories/MT_Helena_Conner.pdf Archive thereof: https://web.archive.org/web/20200731212041/https://mrcc.illinois.edu/FORTS/histories/MT_Helena_Conner.pdf
Author: 1891 image in Figure 13 of source credited in source to "A. W. Lyman".
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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