Toggle navigation
Minnesota Digital Library
About
About Us
Policies
Contributing Organizations
Strategic Plan
Press Room
Contact Us
Get Involved
Contribute to MDL
Call for Projects
Annual & Regional Meetings
Projects
Exhibits
Maps
Timelines
Primary Source Sets
Digital Public Library of America Collaboration
Scan for Keeps
Standards & Best Practices
Metadata Entry Guidelines
Oral History & Audio Collections Transcription Style Guide
Rights Statements Resources
Best Practices for Digitization
Glossary of Format Terms
Google Analytics Reports
Search Field
All Fields
Title
Creator
Subject
Description
City or Township
County
Query
Search
Search
Advanced Search
My Lists
Minnesota Digital Library
Mining operations at the Hibbing North 40, Hibbing, Minnesota
Browse the Iron Range Research Center collection
Related Items
Download JSON