USGS Photographic Library. Copy of first generation print (Alden W.C. 1778) with caption; compared with numbers 572.
Dates
Date Taken
1985
Summary
USGS Photographic Library. Copy of first generation print (Alden W.C. 1778) with caption; compared with numbers 572. Photo by J. K. McGregor, Jr. Jefferson County, Colorado. 1985.
Summary
USGS Photographic Library. Copy of first generation print (Alden W.C. 1778) with caption; compared with numbers 572. Photo by J. K. McGregor, Jr. Jefferson County, Colorado. 1985.
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Rights
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