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Melvil Decimal System: 622.3381

Wording: Technology > Engineering > Mining Engineering and Mines and Mineral Resources > Mining by Material Sought > Oil & Gas > Not set > Not set

Dewmoji: πŸ’‘ > πŸ”© > πŸ•³ > ? > ? > ? > ?

0
Information
174,769
ℹ️
1
Philosophy and Psychology
162,176
πŸ’­
2
Religion
425,946
πŸ™πŸ½
3
Social Sciences
883,500
πŸ‘«
4
Language
118,384
πŸ’¬
5
Mathematics and Science
274,667
πŸ”¬
6
Technology
640,759
πŸ’‘
7
Arts and Recreation
653,832
🎨
8
Literature
867,919
πŸ“š
9
Biography and History
552,874
πŸ—Ώ
60
General Technology
6,264
πŸ’‘
61
Medicine
208,186
πŸ’‰
62
Engineering
102,734
πŸ”©
63
Agriculture & Animal Husbandry
62,059
🌱
64
Home Economics
123,322
🏠
65
Business
99,385
πŸ‘”
66
Chemical Technology
11,514
πŸš€
67
Manufacturing
4,873
πŸ“¦
68
Handicraft and Occupations
14,191
πŸ”¨
69
Building
8,231
πŸ‘·
620
Engineering
12,126
πŸ”©
621
Mechanical Engineering and Machinery
31,245
🏭
622
Mining Engineering and Mines and Mineral Resources
2,353
πŸ•³
623
Military Engineering and Marine Engineering
10,880
βš“
624
Civil Engineering
5,413
πŸŒ‰
625
Road and Railroad
3,440
πŸ›€
626
--
29
🀷
627
Hydraulic Engineering
1,060
🌊
628
Sanitary; Municipal
4,547
🚽
629
Other Branches
31,641
🌿
622.0
324
622.1
Prospecting & Treasure Hunting
519
622.2
Drilling & Blasting
93
622.3
Mining by Material Sought
974
622.4
18
622.5
5
622.6
13
622.7
65
622.8
34
622.9
3
622.30
1
622.31
6
622.32
1
622.33
Oil & Gas
562
622.34
Gold
310
622.35
Stone Quarrying
24
622.36
Salt & Phosphates
22
622.37
Water
7
622.38
Gemstones
20
622.39
1
622.330
8
622.331
1
622.332
4
622.333622.334
104
622.335
1
622.336622.337622.338
395
622.339
2
622.3380
22
622.3381
75
622.3382
193
622.3383
6
622.3384622.3385
16
622.3386622.3387622.3388622.3389
622.33810
2
622.33811622.33812622.33813622.33814622.33815622.33816622.33817622.33818622.33819
20

Works under MDS 622.3381

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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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