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Accession # 1994-P002
Collection Hewitt, William P. & Harry
Object Name negative, film
Description (88) copy negatives and contacts from the El Potosi Mining Co. in Chihuahua, Mexico. Divided into (19) diagrams (plans and drawings) and (69) prints.
Year Range from 1921.0
Year Range to 1925.0
Film Size 4" x 5"