NLM Digital Collections

Search

Start Over Authors Barr, W. F. (William Francis), 1819-1897, author ✖Remove constraint Authors: Barr, W. F. (William Francis), 1819-1897, author Titles Seven Springs iron and alum mass, or compound ferruginous mass ✖Remove constraint Titles: Seven Springs iron and alum mass, or compound ferruginous mass

Refine by:

  • Barr, W. F. (William Francis), 1819-1897, author1

  • Seven Springs iron and alum mass, or compound ferruginous mass1