Robert Heizer excavated the Coloma sawmill (site of gold discovery) for the California Department of Parks and Recreation in the 1940s I believe - dated, yes, but possibly a source of information. -----Original Message----- From: [log in to unmask] <[log in to unmask]> To: [log in to unmask] <[log in to unmask]> Date: Thursday, May 25, 2000 7:11 AM Subject: Buried Wood-lined Mill Penstock Hi! Has anybody out there got any information on construction and archaeological excavations of 19th Century millraces and/or penstocks, particularly buried wooden penstocks? Any and all information/leads would be very gratefully received. Thanks in advance. Chris J.-Andersen, Regional Archaeologist Ministry of Citizenship, Culture & Recreation Heritage & Libraries Branch, Heritage Operations Unit 400 University Avenue, 4th Floor Toronto, Ontario CANADA M7A 2R9 Tel.: 416-314-7159 Fax: 416-314-7362 e-mail: [log in to unmask]