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Abstract

As the New Storage Reservoir will probably be completed
before the next evening meeting of the Royal Society,
I submit some remarks upon the geological conditions of the
locality, based upon notes made at various times during the
progress of the works. In a paper read before the Society
on the 11th of September, 1877, on the causes of the failure
of the dam of the old reservoir, I mentioned incidentally that
another fault, in addition to those then under consideration,
crossed the valley of the Sandy Bay Rivulet close to the
upper end of the reservoir. In the following year I visited
the place in company with the members of the Waterworks
Committee to inspect the site selected by the Corporation
Engineer for the dam of the proposed new reservoir,
on which a good deal of work had already been done,
and which proved to be at that part of the valley
which I had described as being traversed by a great
fault. A cutting had been made into the mudstone rock
on both sides of the rivulet, and a shaft sunk to a depth
of about 40 feet in its bed, with the object, I believe, of
ascertaining whether the character of the rock was such as to
serve for a good foundation ; but all the information thus
obtainable might have been readily gathered from an examination
of a few of the sections exposed in road cuttings or
otherwise, where an opportunity is afforded of studying a far
greater thickness of the beds of the mudstone series.

Item Type:	Article
Authors/Creators:	Stephens, Thomas
Keywords:	Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records
Journal or Publication Title:	Papers & Proceedings of the Royal Society of Tasmania
Collections:	Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:	In 1843 the Horticultural and Botanical Society of Van Diemen's Land was founded and became the Royal Society of Van Diemen's Land for Horticulture, Botany, and the Advancement of Science in 1844. In 1855 its name changed to Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to Royal Society of Tasmania.
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