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XIII. — Meport on the Geological Relations of some of the 

 Coal-Seams of Van Diemeti's Land, — their probable 

 Extent, — and relative Economic Value ; made to His 

 Excellency Sir H. E. F. Young. By Alfred E. C. 

 Selwyn, Government Geologist, Victoria. 



The Districts visited and partially examined were : — 



1st. The Valley of the Derwent from Bridgewater to about 

 seven miles above New Norfolk, including a few observa- 

 tions in the immediate vicinity of Hobart Town and New 

 Town. 



2nd. From Eisdon Ferry over Grass-tree Hill to Eich- 

 mond ; thence to Spring Bay on the east coast by the 

 Brushy and Prosser's Plains. 



8rd. The immediate vicinity of Spring Bay and the Town- 

 ship of Triabunna, where various trials for coal have been 

 made in the Township and on the estate of Captain Vicary. 



4th. The country extending from Bicheno, Waubs Har- 

 bour, to Falmouth on the east coast, including the Douglas 

 Eiver and a small portion of the upper part of the Valley 

 of the Apsley, near the Township of Llandaff. 



6th. From Falmouth over St. Mary's Pass to Fingal, 

 Avoca, and Cleveland, on the Hobart Town and Launceston 

 Eoad. 



6th. The Coal-works on the Elvers Don and Mersey 

 executed by the Mersey Coal Company and others. 



1.— THE VALLEY OF THE DEEWENT. 



On the north bauk of the Derwent, seven miles above 

 New Norfolk, a seam twenty to twenty-two inches thick of a 



