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HYDRATED LIME

The statistics of the output of hydrated lime include only the product made in hydrating machines and omit hand-slacked lime. There were seven more plants reported as producing hydrated lime in 1923 than in 1922. ^ Hydrated lime increased 11 per cent in quantity and 24 per cent in value in 1923.

Hydrated lime sold by producers in the United States, 1921–1923

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Hydrated lime sold by producers in the United States, 1922 and 1923, by uses

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Hydrated lime sold by producers in the United States, 1922 and 1923, by States

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Alabama..
Arizona
California.
Colorado.
Connecticut.
Florida.
Georgia.
Hawaii.
Illinois.
Indiana
Kentucky
Maine
Maryland..
Massachusetts
Michigan.
Minnesota.
Missouri.
Nevada.
New Jersey
New York
Ohio...
Pennsylvania.
Rhode Island
South Dakota.
Tennessee...
Texas
Utah
Vermont.
Virginia..
Washington.
West Virginia.
Wisconsin.
Undistributed

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56, 024

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537, 816
172, 179

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5,984, 240 1, 740, 209

26, 029
21, 163

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385, 955 223, 735

15, 284

280, 444

49, 712 21, 680 98, 188

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428, 587

208, 142 1, 196, 344

1, 106, 063

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12, 229, 598

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In the following table the consumption of lime is estimated by subtracting from the production the quantities reported shipped by producers out of their States and adding the quantities reported shipped in by producers in other States. No account is taken of jobbers' or dealers' interstate business nor of producers', jobbers', dealers', or consumers' stocks, which are quite unknown. Imports and exports are also ignored, but these are insignificant. The estimates are therefore not precise, but they afford the best approximations possible. On this basis almost all the States showed the same or a slightly higher per capita consumption in 1923, and the average for the country was higher." The lime produced in Ohio is more widely shipped than that from any other State; that of Missouri and Pennsylvania has the next widest distribution.

Lime consumed in the United States in 1923, by States, in short tons

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18, 764 14, 941 66, 703 () 59, 158

199

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139, 781

63, 858 180, 720 59, 629 29, 805

Alabama.
Alaska..
Arizona.
Arkansas
California
Colorado.
Connecticut
Delaware
District of Columbia.
Florida.
Georgia
Hawaii
Idaho..
Illinois.
Indiana.
Iowa.
Kansas
Kentucky
Louisiana.
Maine.
Maryland
Massachusetts..
Michigan..
Minnesota.
Mississippi.
Missouri.
Montana
Nebraska.
Nevada..
New Hampshire.
New Jersey.
New Mexico.
New York.
North Carolina.
North Dakota.
Ohio.
Oklahoma
Oregon
Pennsylvania
Porto Rico.
Rhode Island..
South Carolina.
South Dakota.
Tennessee
Texas.
Utah
Vermont.
Virginia..
Washington.
West Virginia
Wisconsin.
Wyoming
Undistributed

16, 562 5,052 6, 921 7, 525 5, 356 9, 715 7, 470 43, 453 89, 571 (6)

9,918 13, 722 44,683 27,004 35, 555

23, 049 12, 661 20, 615 8, 875 23, 776 15, 072 31, 825 14,583 (C) 3, 497 983

2, 123 33, 136 214, 136 201, 895 73, 177 51, 708 52, 641 () 33, 954 25, 797

26, 569 14,976 () 28, 949 19, 765

38, 701 26, 280 85, 608 23, 421 74, 321 23, 974 73, 930 63, 034 138, 883 95, 563 118, 959 18, 644 129, 996 82, 703 10, 806 17, 264 21, 904

16, 024 12, 241 166, 543 29, 737 85, 570 ()

2,097 2, 597 15, 702 8,091 (c) 6,359 14, 855 13, 318

(5) 71, 203 697 1,374

1, 747 40, 711 384, 937 304, 251 64, 171

42, 848

4,655 1,630 601, 413 132, 422 236, 321

14, 675 9, 686
<3

5, 075 273, 304 235, 974 566, 504

15 6, 167 16, 891 17, 404 19,367 10, 581

(6) 4, 259 88, 065

9, 671

37, 965 14, 424 862 29, 350 3, 956

60 7,395 50, 572 812 8, 428 127, 940 36, 529 63, 041 15, 502

9, 912 219, 1761 52, 383 57, 178 77, 057

45.667 169, 249
()

2, 000
34, 400 183, 088

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333 7, 254 3, 057 12,772 13, 115 102, 686 4,091 17,813 5, 924 41, 4791 10,388 23, 049 11, 740 20, 615 22, 558 37, 630 23, 153 37, 736 1, 800

5, 357 260 2, 383 71, 738 273, 633 52, 186 104, 827 16, 356 42, 153 11, 593 26, 569 11, 295 31,060 12,421 38, 701

3, 273 77, 594 50, 780 113, 814 18, 441 137, 400 88, 278 170, 981 14, 359 36, 263

3, 783 16, 024 23, 950 109, 520 1, 812 4, 409 7,611 15, 702

65 6, 424 1,537 14, 855 91, 238 162, 441

789 2, 536 140, 837 445, 088 26, 311 69, 159

3, 025 4, 655 162, 670 398, 991

5, 545 15, 231

1, 904 6, 979 169, 005 735, 509

15 6, 182 2, 105 19, 509 8,786 19, 367 1, 255

5,514 15, 636 53, 601 19, 910 49, 260

937 8,332

493 8, 921 28, 152 91, 193 1, 211

11, 123 17,630 74, 808 26, 910 196, 159 1, 245

3, 245

110

1 20 13 48 33 53 190

99 56 23 46

8 83 67 31 29 22 36 199 147 58 79 2A 14 55) 13 23 42 83 100 22 74 49 34 93 34 14 153

9 54 14 22 42 171 34 51

125 2, 434, 731

55, 036 37 387, 645 14 1, 825, 441 53 3, 859, 194 36 997, 561 56 1, 490, 176

231, 524 86 481, 451 71 1,057, 403 25 3,013, 961 38 282, 280 10 475, 651 80 6, 834, 129 69 3,024, 955 34 2, 477, 874 29 1, 801, 522 251 2, 468, 843 42 1, 857, 066 199 778, 579 150 1, 513, 242 68 4,052, 572 85 4,022, 021 29 2,515, 434 18 61,790, 618 63 3, 449, 673 14 620, 101 23 1, 339, 286 165 66 448, 237 95 3,410, 829 14 373, 967 82 10, 909, 152 51 2, 704, 497 14 675, 637 129 6, 168, 227 14 2, 181, 194 17 828, 967 161 9, 154, 657 9

1, 374, 712 62 629, 854 22 1,753, 077 17

658, 244

2, 400, 962 20 4,979, 117 35 480, 729 51 $352, 428 76 2, 411, 192 15 1, 445, 054

96 1, 563, 650 142 2, 754, 932 30

214, 358

(6)

$ 77, 407

(c)

1, 859 100, 862

867, 982

()

() 772, 839

6, 167 ()

For mg

45

()
131, 995
62,822
12, 228
58,681
182, 004

25, 895
241, 601
227, 549

( )
91, 116

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4,076, 243-2, 221, 6602, 213, 8072, 844, 9691, 223, 421 4,068, 390

65

72 •113,083, 084

• Estimate by Bureau of the Census. • Population Jan. 1, 1920; Do estimate made. • Included under “Úndistributed." # Inclusive of 6,700 tons shipped to Canada, 834 tons to Mexico, 111 tons to Cuba, 35 tons to New Zealand, 3 tons to Germany, and 170 tons unspecified.

• Estimate by Bureau of the Census for continental United States, plus Alaska, Hawaii, and Porto Rico as shown above.

9786°—26-19

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Lime exported from the United States, 1922–23, by countries

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North America:

Canada.
Newfoundland and Labrador
Mexico....
Central America-

British Honduras.
Honduras..
Nicaragua.-
Panama.

Salvador
West Indies-
British

Bermuda
Jamaica
Trinidad and Tobago.

Other British.
Cuba.
Dominican Republic

Virgin Islands of the United States...
South America:

Bolivia..
Brazil..
Chile.
Colombia.
Ecuador
Peru..

Venezuela
Europe:

England.

Sweden.
Asia:

China..
Japan.

Philippine Islands.
Oceania:

Australia
New Zealand..
Other British Oceania..

843

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a Less than 1 ton.

Lime imported for consumption in the United States, 1921-1923 a

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. Most of the lime imported into the United States comes from Canada.

1 Statistics of exports and imports compiled by J. A. Dorsey, of the United States Geological Survey, from records of the Bureau of Foreign and Domestic Commerce, Department of Commerce.

By JEFFERSON MIDDLETON

INTRODUCTION

Preceding volumes of Mineral Resources and other reports of the Geological Survey and reports of the Bureau of Mines contain information on changes and developments in the feldspar industry and on the composition, occurrence, and uses of feldspar, the geology and mineralogy of feldspar deposits, and the methods of mining and milling feldspar, and the reader desiring such information is referred to those publications. The principal reports are listed below.

Bastin, E. S., Economic geology of feldspar deposits of the United States : U. S. Geol. Survey Bull. 420, 1910.

Watts, A. S., Mining and treatment of feldspar and kaolin in the southern Appalachian region : Bur. Mines Bull. 53, 1913.

Watts, A. S., Feldspars of the New England and northern Appalachian States: Bur. Mines Bull. 92, 1916.

These reports are no longer available for free distribution, but the first and third may be purchased from the Superintendent of Documents, Washington, D. C., for 20 and 25 cents, respectively, or the three reports may be consulted in many of the public libraries of the United States. The following late papers on the subject are of interest:

Ladoo, R. B., Conditions in the feldspar industry: Bur. Mines Repts. Inv. 2311, January, 1922.

Watts, A. S., The marketing of feldspar: Eng. and Min. Jour.-Press, vol. 115, No. 12, pp. 535-538, Mar. 24, 1923.

Shaw, J. B., On the control of composition of feldspar: Ceramic Industry, vol. 2, No. 2, p. 91, February, 1924.

Staley, H. F., The feldspar problem in enamel making : Ceramist, vol. 4, No. 2, pp. 87-98, May, 1924.

PRODUCTION Statistics of production of feldspar are presented separately in tabular form for mine and quarry output as crude feldspar and for mill output as ground feldspar. The crude feldspar is reported in long tons and the ground feldspar in short tons, according to common practice in the industry. The industry made considerable progress in 1923, and the output reached the highest quantity and value recorded. The average value of crude feldspar in 1923 at the shipping points nearest to the quarries was $7.29 a long ton—8 cents higher than that of 1922. The average value of domestic ground

. spar was 20 cents a ton lower than in 1922, and that of Canadian spar ground in the United States was 8 cents a ton higher. The

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