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C—2a

OUTPUT PER MAN EMPLOYED The following table shows (a) the output per calendar year per man employed underground and (b) the output per calendar year per man employed (underground and surface):—

Note.—Some of the high outputs per man employed prior to 1944 are due to slack being raised from dump and credited to output.

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1946. 1945. 1944. 1943. 1942. 1941. 1940. 1939. 1938. Mine. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Liverpool Strongman Blackball Wallsend Dobson Wilton Wairaki.. Mossbank Mangapehi Tatu Stockton Burke's Creek Tons. 441 504 421 357 316 557 960 854 553 505 764 371 Tons. 336 403 351 282 257 398 686 592 434 310 509 272f Tons. 468 538 538 415 333 639 866 719 533 508 655 Tons. 352 394 416 329 271 456 624 544 428 311 451 Tons. 498 545509 346 382 669 924 727 ' 683 481 731 750 Tons. 371 393 391 290 318 478 647 546 524 303 438 531 Tons. 583 627 545 422 418 658 955 695 714 482 633 565 Tons. 440 451 394 352 349 471 669 521 550 306 418 442 Tons. 672 711 595 478 549 606 1,309 616 722 596 782 624 Tons. 504 463 419 369 453 459 804 441 534 364 520 456 Tons. 715 694 772 466 540 834 800 523 622 341 812 655 Tons. 521 475 326 356 443 613 561 316 442 199 547 476 Tons. 528 579 350 414 517 789 720 587 458 852 528 Tons. 410 390 179 326 423 608 538 339* 276 576 392 Tons. 612 281* 84* 500 463 686 714 809 sii 773 Tons. 459 192 53 394 390 539 567 589 552 560 Tons. 561 565 496 486 678 674 739 828 1,144 Tons. 423 31.4 394 400 549 525 554 557 735 * Mine worked portion of year only. t Separate output returns for Burke's Creek not available for 1945.

1937. 1936. 1935. 1934. 1933. 1932. 1931. 1930. Mine. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Underground. Total. Liverpool Strongman Blackball Wallsend Dobson Wilton Wairaki Mossbank Mangapehi Tatu Stockton Burke's Creek Tons. 560 600 587 481 656 543 7io Tons. 417 437 456 388 526 412 629 Tons. 536 478 566 543 595 721 1, i35 Tons. 396 328 442 426 468 463 883 Tons. 556 7i3 575 428 753 764 530 Tons. 408 444 430 ' 358 580 562 441 Tons. 407 476 446 401 742 702 '40 Tons. 304 346 345 331 554 520 ii Tons. 388 654 520 408 488 656 Tons. 289 444 389 341 395 410 Tons. 392 932 426 411 903 261 Tons. 290 607 333 348 613 208 Tons. 481 451 430 278 461 631 Tons. 348 259 340 231 373 454 Tons. 552 392 501 450 359 564 Tons. 397 3i9 389 377 227 420 895 867 573 585 7i4 764 460 540 631 574 388 402 587 569 356 416 606 415 371 308 558 311 362 235 548 381 351 288 771 301 491 205