John,
I presume we are talking about early 19th century mines in Tasmania, when,
even, in the UK, collieries were still to a large extent comprised of
numerous shallow shafts rather than the single/double deep shaft operations
with which we are familiar with from the 20th century. Given the labour
force used, one would expect winding operations on a multiplicity of shallow
shafts, not all of which would be 330 feet deep, providing for a sizeable
output overall. If the surface has not been disturbed, such operations might
be identified by series of evenly spaced shaft mounds. They might also be
marked on early mapping.
Peter
______________________________________________
Peter Claughton, Blaenpant Morfil, Rosebush, Clynderwen,
Pembrokeshire, Wales SA66 7RE.
Tel. 01437 532578; Fax. 01437 532921; Mobile 07831 427599
University of Exeter - Department of History
School of Historical, Political and Sociological Studies
E-mail: [log in to unmask]
Co-owner - mining-history e-mail discussion list.
See http://www.jiscmail.ac.uk/files/mining-history/ for details.
Mining History Pages - http://www.exeter.ac.uk/~pfclaugh/mhinf/
_____________________________________________
|