a—2.

40

SECTION IV.—WORKING OF THE COAL-MINES ACT. (a) Permitted Explosives. (Regulations 233 to 237 inclusive.) The following is a table showing the quantity of permitted explosives used and the number of shots fired at New Zealand coal-mines during 1928 :—

Seventy-four per cent, of the coal produced in the Dominion during 1928 was broken down by permitted explosive, and the average production of coal per pound of explosive used was 3-84 tons, and per shot fired 3-03 tons. (b) List op Mines required by Law to use Permitted Explosives. The following is a list of mines as at the 31st December, 1928, required by law to use permitted explosives Northern Inspection District. Pukemiro Collieries, Pukemiro —throughout South Mine. Rot.owaro Colliery, Rotowaro —throughout No. 1 and No. 3 Mines. Glen Aft.on Colliery, Glen Afton —all sections of the mine, with the exception of A section. Waikato Extended Colliery, Huntly —all sections. West Coast Inspection District. North Cape Mine, Puponga. Reefton Coal Co.'s, Reefton. Puponga, Puponga. Waitahu Colliery, Reefton. Stone's, Takaka. Lankey's Creek, Crushington. O'Rourke's, Murchison. White Rose, Merrijigs. Bennett and party's, Seddonville. Armstrong's, Dunollie. Zealandia, Seddonville. Baddeley's, Runanga. Cardiff Bridge, Seddonville. Bellvue, Runanga. Celtic, Seddonville. Blackball Coal Co.'s, Blackball. Chester's, Seddonville. Brae Head, Dunollie. Clydevale, Seddonville. Cain's, Rapahoe. Coal Creek, Seddonville. ' Castle Point, Runanga. Dove's, Seddonville. Dobson, Brunnerton. Glen Lea, Seddonville. Duggan's, Rewanui. Glasgow, Seddonville. Hunter's, Dunollie. Harris, Karamea. Manderson's, Runanga. Murray's, Seddonville. Briandale, Ten-mile, Barrytown Road (Mc Quinn and party's, Seddonville. Neill's). St. Helens, Seddonville. Moody Creek, Dunollie. Rogers Bros., Seddonville. Old Runanga Co-operative party, Rewanui. Westportmain, Granity. Sc-hultz Creek, Runanga. Westport-Mokihinui, Seddonville. Scott and Kerry's, Twelve-mile, Barrytown Westport Coal Co.'s, Denniston mines. Road. Westport Coal Co.'s, Millerton mines. Smith's, Runanga. Westport-Stockton, Ngakawau. Spark's, Rewanui. Wynn's, Seddonville. State Coal-mines (Liverpool Collieries and James Rocklands, Berlin's. Colliery). WhiteclifEs, Berlin's. Paparoa, Roa. Archer's, Capleston. Wafer's, Runanga. Caliope, Reefton. Wallsend, Brunnerton. Clele, Merrijigs. Allan's, Brunnerton. Coghlan's, Capleston. Dennehy's, Barrytown Road. Collins and Kearns, Reefton. New Point Elizabeth, Dunollie. Doran's, Capleston. Goldlight, Dunollie. Morrisvale, Reefton (Perfection Valley and Fiery Cross, Dunollie. Matchless). Jubilee, Rapahoe. Reddale, Reefton (Woodlands, Empire, Bellbird, Ten-mile Road, Lishman's).

tuedOb!)? Humber of Misfired Shots. g 9 v — 3 s I <D <D <u O'ts Number > > . > a, o Inspection District i of £ o> £ £ S & | i i Shots fired. g> gf a J § -a 1 -s-l -o| || Total - g<5 N .SP § >> H J". 0 t-f* "J <! i-i « n m m I Tons. Northern (i.e., North Island) .. 103,468 .. .. 113,686 12 84 40 136 399,800 West Coast (of South Island) .. 183,514 .. 127,122 396,477 16 353 248 617 1,184,880 Southern (i.e., Canterbury, Otago, 7,339J .. 50,635J 89,059 .. 43 37 80 232,331 and Southland) Totals .. .. 294,32H .. 177,757* 599,222 28 480 325 833 1,817,011