"Charles L. Nickolls: Pioneer Chemical Engineer" https://www.sdshspress.com/journal/south-dakota-history-3-1/charles-l-nickolls-pioneer-chemical-engineer https://www.sdshspress.com/@@site-logo/sdshp-logo.jpg "Charles L. Nickolls: Pioneer Chemical Engineer" Return To Issue Download this article for free by clicking on the PDF file below.
