Reduction of a nitro group to a mean.
D. Dickerson and R. Shiley working with the iron reductor.;
1 photograph and negative;
October 15, 1958
Manuscripts, maps, fieldnotes, and photographs may be viewed in-house only. Please contact the ISGS Special Collections Curator, Anne Huber, for an appointment at 217-300-0005 or email firstname.lastname@example.org Monday thru Friday, 8am-noon or 1pm-5pm.