PSM V67 D089 Outdoor geology lecture of the summer school
Summary
Outdoor geology lecture of the summer school
Tags
1905 in minnesota
black and white photographs of minnesota
black and white photographs of the united states in the 1900 s
field work science
minnesota seaside station
popular science monthly illustrations volume 67
scientific illustrations
science
science history
popular science
popular science magazine
magazine illustration
minnesota
Date
1905
Source
Popular Science Monthly Volume 67
Link
Copyright info
public domain