Illinois State Geological Survey Historic Images Collection Photograph 0231 Bureau County IL
Dates
Dataset Reference Date
2017-11-16
Summary
Photograph Subject: Horizon at Black Slate below LaSalle lst. nr Marquette County: Bureau State: IL Author: Cady, G. H. Volume: 0201 Format: Negative Ref ID: 0231
Summary
Photograph Subject: Horizon at Black Slate below LaSalle lst. nr Marquette County: Bureau State: IL Author: Cady, G. H. Volume: 0201 Format: Negative Ref ID: 0231