Lieber, Oscar Montgomery
The Assayer's Guide by Oscar M. Lieber.
Source: Hathi Trust Digital Library
Or, Practical directions to assayers, miners and smelters, for the tests and assays, by heat and wet processes, of the ores of all principal metals, of gold and silver coins and alloys, and of coal etc.
Report on the Survey of South Carolina
Source: Hathi Trust Digital Library
Or, being the first[- fourth] annual report to the General assembly of South Carolina, embracing the progress of the survey during the year 1856[-1859] ... by Oscar M. Lieber, mineralogical, geological and agricultural surveyor of South Carolina ...
