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Daniel: I suggest you contact Roger Burt ([log in to unmask]) and Mike Gill ([log in to unmask]) with this question. Both are quite knowledgeable on the issue of diffusion of Yorshire/Pennines mining methods and technology to the Upper Mississippi Lead/Zinc District. It sounds as though you are working in the Catfish Creek area. I would be interested to hear more about your project. Good luck, Mark Langenfeld Madison, WI > I am (still) in the process of researching the 1820-1840s > Swaledale/Arkengarthdale lead miner emigration to the Dubuque, Iowa > area. As part of a broad physical description of properties associated > with the Dubuque mines, I am attempting to compare local prospecting and > extraction techniques with those of late-18th/early-19th century Europe > and Yorkshire. I currently have zero data on European lead prospecting > methods. > > Can anyone recommend primary research sources (English or otherwise) > that would describe such methods and their manifestation on the ground > surface? > > The idea is that I MAY be able to determine which prospecting pits in > the Catfish Creek watershed are associated with Julien Dubuque's initial > occupation vs. those of the later English immigrants. > > There has been precious little significance attributed to the > geological/geographical patterning of prospecting pits on the landscape > here (unjustifiably, I believe), and any information which could bolster > a spectrum of research recommendations would be of great help. > > Daniel R. Pratt > Architectural Historian/Archaeologist > > HDR ONE COMPANY | Many Solutions > 6190 Golden Hills Drive | Minneapolis, MN | 55416-1567 > Phone: 763.591.5423 | Fax: 763.591.5413 | Email: [log in to unmask] > > -- CoreComm Webmail. http://home.core.com