Scope and Contents From the Series: A. Ores Purchased Record, 1926-1932, 1937-1941, 2 vols. B. Daily Assays Records, 1906-1909, 2 vols. The Daily Assays Record gives the results of sampler assays at each stage of ore milling during each working shift (i.e., three times a day), giving content of silver, lead, zinc, and iron. Vol. 1, 1906, is labeled "Assays Record", but actually contains a Daily Assays Record, 1906; a Shipment Assay Record for slimes and concentrates, 1906; and a Shipment Assays Record for crude,...