Rock formations with some people working.
Summary
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description
Tags
iowa
dubuque iowa
rock formations
root samuel 1819 1889 photographer
rock
formations
people
robert dennis collection of stereoscopic views
ultra high resolution
high resolution
back of stereoscopic card
Date
1850 - 1930
Source
New York Public Library
Link
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")