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Melvil Decimal System: 551.43

Wording: Mathematics and Science > Earth sciences & geology > Physical and Dynamic Geology > Surface features of the earth > Mountains; Valleys; Orology

Dewmoji: πŸ”¬ > 🌎 > πŸŒ‹ > ? > ?

0
Information
196,074
ℹ️
1
Philosophy and Psychology
182,667
πŸ’­
2
Religion
462,730
πŸ™πŸ½
3
Social Sciences
1,016,516
πŸ‘«
4
Language
130,278
πŸ’¬
5
Mathematics and Science
322,754
πŸ”¬
6
Technology
751,392
πŸ’‘
7
Arts and Recreation
695,085
🎨
8
Literature
928,224
πŸ“š
9
Biography and History
591,421
πŸ—Ώ
50
General Science
24,895
πŸ”¬
51
Mathematics
61,905
βž—
52
Astronomy
17,382
🌌
53
Physics
34,158
🍎
54
Chemistry
22,044
βš—
55
Earth sciences & geology
28,154
🌎
56
Fossils & prehistoric life
6,388
πŸ’€
57
Life Sciences
45,953
🐠
58
Botany
17,681
🌿
59
Zoology
64,194
🐼
550
Geology
3,152
🌎
551
Physical and Dynamic Geology
19,069
πŸŒ‹
552
Lithology; Petrography
1,352
🀘
553
Economic Geology
2,047
πŸ’²
554
Europe
370
πŸ—
555
Asia
101
πŸ…
556
Africa
91
🐘
557
North America
1,565
558
South America
29
559
Pacific, Oceania, and other planets
378
🐨
551.0
251
551.1
Structure of the earth as a whole
502
551.2
Seismology
1,551
551.3
Erosion and deposition
1,002
551.4
Surface features of the earth
5,998
551.5
Meteorology; Climate
3,974
☁️
551.6
Metamorphism
2,159
551.7
Historical geology
913
551.8
Structural geology
389
551.9
Agents of geologic work
228
551.40
44
551.41
Continents
372
551.42
Islands
84
551.43
Mountains; Valleys; Orology
190
551.44
Caves
283
551.45
Plains
297
551.46
Oceans
1,985
551.47
Ocean currents
182
551.48
Rivers; Lakes
1,294
551.49
Springs; Wells; Ground water
308
551.430
4
551.431551.432
104
551.433551.434
1
551.435
5
551.436
7
551.437551.438551.439

Works under MDS 551.43

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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

Related tags

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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