Annex "A"

Broken Ore in Stopes

December 31, 1919

ToteJs by Veins

VEINS                                                                                                           Tons

Rosario    ........................................................     5,668

San Joaquin  .....................................................    3,208

San Miguel  (North).............................................     1,118

Crisanta   ........................................................       384

Porvenir    .......................................................       311

Capitana.......................................................       869

Candelaria   ......................................................     1,660

Guadalupe   ......................................................       348

Culebra .........................................................    2,016

Buena Ventura.................................................     1,914

North  West   ....................................................         40

GRAND  TOT.\L   ..........................................  17,536

Summary of Calculated Ore Reserves
(At 13 cu. ft. per ton)

Average                      Per     Tons of        Total        Value

Width       Tons      Cent      Ore &        Value       at Mill

VEINS                           Ft,       of Ore    Waste    Waste        U,S,C,      U.S.C.

San Miguel   (South)    1.62        44,476       40       74,127   $1,038,413        $14,01

San Miguel  (North)    1.65         4,978        50         9,956         147,955          14,86

San Joaquin ........    1,07         6,573        65        16,432        205,277          10,93

Culebra   ............    1,46         8.694       60       21,735         2,34,419          10 79

Socorro   .............83         2,279        70         7.596         112.788          14.85

Buena   Ventura   ....    1.04         4.8G3        50         9.726         134.576          13 84

Carmen   ............    1.39         7,232        40        12,053         220,096          18 26

Catalina    ............60            801        70         2,670          52 279          19 58

North    ..............SO          1,013        51          2,066          33,572          16 25

South West ........    2,10         6,038        30         8,625         187,248         21,71

TOTALS........                  86,947                 164,586   $2,366,623       $14,34

Average

Summary of Estimated Ore Reserves
(At 13 cu. ft. per ton)

Candelaria   ..............................          5,000      $ 65,000       $13,00

Colonia   .................................          3,000          45,000        ' 15,00

Capitana   ................................          1,000          13,000          13,00

Esperanza     ..............................          1,000           13,000          13 00

Guadalupe    ..............................          1,000           12,000          12 00

Nuevo   ..................................          1,400           18,200          13 00

North West .............................          3,000          45,000          15,00

Rosario   .................................        1.5.000        210,000         14 00

Crisanta .................................          1,000           14,000          14,00

West ....................................          3,000          45,000          15.00

Jucuara   .................................          4.000          52.000          13 00

Stringers    ...............................          3.000          42,000          14,00

TOTALS..........................       41,400     $574,200      $13,87

Average
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