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Melvil Decimal System: 622.342

Wording: Technology > Engineering > Mining Engineering and Mines and Mineral Resources > Mining by Material Sought > Gold > Not set

Dewmoji: 💡 > 🔩 > đŸ•ŗ > ? > ? > ?

0
Information
115,954
ℹī¸
1
Philosophy and Psychology
115,844
💭
2
Religion
351,090
🙏đŸŊ
3
Social Sciences
554,451
đŸ‘Ģ
4
Language
75,777
đŸ’Ŧ
5
Mathematics and Science
181,736
đŸ”Ŧ
6
Technology
414,821
💡
7
Arts and Recreation
444,897
🎨
8
Literature
605,140
📚
9
Biography and History
396,598
đŸ—ŋ
60
General Technology
4,675
💡
61
Medicine
132,325
💉
62
Engineering
60,124
🔩
63
Agriculture & Animal Husbandry
41,598
🌱
64
Home Economics
88,244
🏠
65
Business
62,133
👔
66
Chemical Technology
7,172
🚀
67
Manufacturing
3,235
đŸ“Ļ
68
Handicraft and Occupations
9,984
🔨
69
Building
5,331
👷
620
Engineering
6,389
🔩
621
Mechanical Engineering and Machinery
18,304
🏭
622
Mining Engineering and Mines and Mineral Resources
1,480
đŸ•ŗ
623
Military Engineering and Marine Engineering
7,044
⚓
624
Civil Engineering
2,955
🌉
625
Road and Railroad
2,173
🛤
626
--
20
🤷
627
Hydraulic Engineering
616
🌊
628
Sanitary; Municipal
2,533
đŸšŊ
629
Other Branches
18,610
đŸŒŋ
622.0
240
622.1
Prospecting & Treasure Hunting
289
622.2
Drilling & Blasting
44
622.3
Mining by Material Sought
574
622.4
14
622.5
1
622.6
7
622.7
38
622.8
18
622.9
2
622.30622.31
4
622.32
1
622.33
Oil & Gas
328
622.34
Gold
194
622.35
Stone Quarrying
14
622.36
Salt & Phosphates
9
622.37
Water
7
622.38
Gemstones
9
622.39
622.340
2
622.341
12
622.342
109
622.343
17
622.344
5
622.345
8
622.346
2
622.347622.348
1
622.349
8
622.3420
6
622.3421
1
622.3422
68
622.3423
3
622.3424622.3425622.3426622.3427622.3428622.3429

Works under MDS 622.342

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Wording

1922 Edition
Modern language
Emoji

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

None

What is MDS?

Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.

More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.

LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.

The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.

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