An Appraisal of Minerals Availability for 34 Commodities Page: Ia
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Staff, Bureau of Mines. AN APPRAISAL OF MINERALS AVAILABILITY FOR 34
COMMODITIES. BuMines B. 692, 1987, 300 pp.
Page 2 Figure 1: Hafnium should be added to the group of mineral
commodities depicted on the graph.
Page 5 Figure 3: Shading to the right of each of the availability curves
to indicate expected, but unknown resource additions (referred to
in the last whole paragraph, page 10) was omitted.
Page 7 Figure 5: The figure caption should be "Example mine cost plot
Page 9 Table 4: The commodity price categories for chromium
(i.e., Chromium: Concentrate, Ferrochromium High grade and Low
grade, Metallurgical grade, Refined grade, and Chemical grade) are
incorrect and should be replaced as follows.
Commodity Unit Unit Price
high-chromium mt 110.00
high-iron mt 50.00
Page 11 The graphs of figures 6 and 7, but not the figure captions, are
transposed. The lower graph should be "Figure 6. -- Annual
resource availability curve"; the top graph should be
"Figure 7. -- Potential annual production from producing mines".
Page 17 Second paragraph: The recently closed aluminum refinery at
Hurricane Creek, AR, is owned by Reynolds, not Kaiser.
Page 19 The second sentence, second paragraph should read: "Weighted-
average mining and drying costs in MEC's are only $0.02/lb (not
$0.20/lb) of aluminum."
IRON ORE CHAPTER
Page 135 The last sentence, second paragraph should read: "At this price,
approximately 0.35 billion It is potentially available from foreign
producers at 15-pct DCFROR, and less than 100 million it from
Page 137 First sentence, last paragraph: The "140 million" should be
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United States. Bureau of Mines. An Appraisal of Minerals Availability for 34 Commodities, report, Date Unknown; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12833/m1/1/: accessed March 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.