C.—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 1926 : —

Seventy-five per cent, of the coal produced in the Dominion during 1926 was broken down by permitted explosive, and the average production of coal per pound of explosive used was 3-88 tons, and per shot fired 3-13 tons. (b) List of Mines required by Law to use Permitted Explosives. The following is a list of mines as at the Ist December, 1926, required by law to use permitted explosives : — Northern Inspection District. Pukemiro Collieries, Pukemiro —throughout South Mine. Rotowaro Colliery, Rotowaro—throughout Nos. 1 and 3 Mines. Glen Afton Colliery, Glen Afton —all sections of the mine with the exception of A section. Waikato Extended Colliery, Huntly—throughout the mine. West Coast Inspection District. North Cape Mine. I Ferndale-Timaru Coal Company's mine. Puponga Mine. Sherwood (now Morrisvale) Mine (Morris and Westport-Stockton Mine. j Learmont). Westport Coal Company's mines. Paparoa Mine. J. T. Dove's mine. j Blackball Mine. Coal Creek Mine (McGuire and party). Armstrong and party's mine. Cardiff Bridge Mine. ! Baddeley and party's mine. Old Cardiff (Clay Pit). ' Boote and party's mine. St. Helens Mine (McAllister and party). Dixon and party's mine. Westport-Mokihinui Mine. I Clark and party's mine (Hillside). Chester and party's mine. Duggan and party's mine. Marris and Murray's mine. Hunter and party's mir Ngakawau Mining Syndicate's mine. j Manderson and party's jiine. WbiteclifFs Mine. Mclvor and party's mine. Reefton Coal Company's mine. Moody Creek Mine (Simpson and party.. Phoenix and Venus Mine. Smith and party's mine. Victory Mine (now Calliope). , Spark and party's mine. Woodlands Mine. j James Mine. Empire Mine. I Liverpool Collieries. Lankey's Creek Mine (Bolitho Bros.). I Southern Inspection District. Castle Hill Mine, Kaitangata— throughout the mine. Kaitangata No. 1 Mine, Kaitangata —throughout the mine. Kaitangata No. 2 Mine, Kaitangata- throughout the mine. Wairaki No. 1 Mine, Ohai —throughout the mine. Birchwood Mine, Ohai—throughout the mine. Linton No. 2 Mine, Ohai. Ohai Coal Company's mine, Ohai.

Number of Misfired Shots. ■ I s •kt i_ k : <u <v o'-5 Number > > • > <v ° Inspection District. of o. Ja «u « Shots fired. «> «■§ ® I~ § . I ' | If | 5| || «-• fa 2 § I a J ; y |° m cq a ■«: Tons. Northern (i.e., North Island) .. 83,770 102,520 .. 170 14 184 340,558 West Coast (of South Island) .. 175,508J .. 327,105 11 520 205 730 1,103,967 Southern (i.e., Canterbury, Otago, 24,382J| .. 53,326| 110,289 .. 61* 18* 85 241,358 and Southland) I Totals .. .. 283,661| .. 150,052f 539,914 11 751 237 ' 1,005 1,685,883 * Unaccounted for, 6.