Born-Digital or AnalogAnalogTranscriptRicketts, Louis Davidson 1859- Rickard., Thomas Arthur 1864- Interviews with mining engineers. paging San Francisco. Mining and Scientific 431-456 Press. 1922. 552p. ports. 23cm. Reprinted from Mining and Scientific Press and Engineering and Mining Journal Press. Material on above subject will be found in this book.CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Ricketts, Louis Davidson 1859, [525871]. Denver Public Library Digital Collections, accessed 19/07/2025, https://digital.denverlibrary.org/nodes/view/1632708
