| Champion (steam drop) | 2 | stamps |
| Silver King | 5 | ” |
| Townsend & Co. (5 already up) | 10 | ” |
| Peck (originally Black Warrior) | 10 | ” |
| Signal | 10 | ” |
| McCrackin | 20 | ” |
| Hackberry | 10 | ” |
| Walnut Grove (10?) | 5 | ” |
| Dean | 10 | ” |
| Knowles (Empire Flat) | 10 | ” |
| Masterson’s, Turkey Creek | 2 | ” |
| No. of stamps not mentioned. | ||
| —— | —— | |
| Total | 94 | stamps |
Of the mills which have been in operation since and before last spring, we can recall the following:
| Ostrich (it may be 10) | 5 | stamps |
| Morrill & Ketchum | 6 | ” |
| Tidwell | 3 | ” |
| Aztlan | 5 | ” |
| Frederick’s | 10 | ” |
| Constancia (now Luke’s) | 10 | ” |
| Mineral Park | 5 | ” |
| Crook | 5 | ” |
| Greenwood | 10 | ” |
| Bill Smith’s | 10 | ” |
| —— | —— | |
| Total | 60 | stamps |
Yuma Sentinel, October.
APPENDIX
Table Showing the Value of any Amount of Gold Dust, from 1 grain to 10 ounces, at $16 to $23 per ounce.
| OUNCES. | ||||||||
| No. | $16.00 per oz. | $17.00 per oz. | $18.00 per oz. | $19.00 per oz. | $20.00 per oz. | $21.00 per oz. | $22.00 per oz. | $23.00 per oz. |
| 1 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 2 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 |
| 3 | 48 | 51 | 54 | 57 | 60 | 63 | 66 | 69 |
| 4 | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 |
| 5 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 |
| 6 | 96 | 102 | 108 | 114 | 120 | 126 | 132 | 138 |
| 7 | 112 | 119 | 126 | 133 | 140 | 147 | 154 | 161 |
| 8 | 128 | 136 | 144 | 152 | 160 | 168 | 176 | 184 |
| 9 | 144 | 153 | 162 | 171 | 180 | 189 | 198 | 207 |
| 10 | 160 | 170 | 180 | 190 | 200 | 210 | 220 | 230 |
| PENNYWEIGHTS. | ||||||||
| 1 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 |
| 2 | 160 | 175 | 180 | 190 | 200 | 210 | 220 | 230 |
| 3 | 240 | 255 | 270 | 285 | 300 | 315 | 330 | 345 |
| 4 | 320 | 340 | 360 | 380 | 400 | 420 | 440 | 460 |
| 5 | 400 | 425 | 450 | 475 | 500 | 525 | 550 | 575 |
| 6 | 480 | 510 | 540 | 570 | 600 | 630 | 660 | 690 |
| 7 | 560 | 595 | 630 | 665 | 700 | 735 | 770 | 805 |
| 8 | 640 | 680 | 720 | 760 | 800 | 840 | 880 | 920 |
| 9 | 720 | 765 | 810 | 855 | 900 | 945 | 990 | 1035 |
| 10 | 800 | 850 | 900 | 950 | 1000 | 1050 | 1100 | 1150 |
| GRAINS. | ||||||||
| 1 | 3⅓ | 3½ | 3¾ | 4 | 4⅙ | 4⅓ | 4½ | 4¾ |
| 2 | 6⅔ | 7 | 7½ | 8 | 8⅓ | 8⅔ | 9 | 9½ |
| 3 | 10 | 10½ | 11¼ | 12 | 12½ | 13 | 13½ | 14¼ |
| 4 | 13⅓ | 14 | 15 | 16 | 16⅔ | 17⅓ | 18 | 19 |
| 5 | 16⅔ | 17½ | 18¾ | 20 | 20⅚ | 21⅔ | 22½ | 23¾ |
| 6 | 20 | 21 | 22½ | 24 | 25 | 26 | 27 | 28½ |
| 7 | 23⅓ | 24½ | 26¼ | 28 | 29⅙ | 30⅓ | 31½ | 33¼ |
| 8 | 26⅔ | 28 | 30 | 32 | 33⅓ | 34⅔ | 36 | 38 |
| 9 | 30 | 31½ | 33¾ | 36 | 37½ | 39 | 40½ | 42¾ |
| 10 | 33⅓ | 35 | 37½ | 40 | 41⅔ | 43⅓ | 45 | 47½ |
Out of a ton of ore from the Stonewall Jackson Mine, adjoining the General Lee, in the Globe District, (Arizona) there was extracted October 25th, by the Pacific Refinery, San Francisco, ten bars of silver valued at $3,800, which is over 36 per cent. metallic copper.
At Clinton, Arizona, the great copper mining center, the Longfellow Company have two furnaces running, and turn out as high as 10,000 pounds of pig copper daily. The furnaces used are Bennett’s patent. Arizona has, without doubt, the richest and most extensive copper mines in the world. This metal is all shipped east by way of El Moro.