312:
302:
113:
107:
101:
96:
86:
307:
70:
65:
60:
55:
50:
40:
35:
30:
25:
20:
277:
264:
251:
238:
225:
212:
199:
186:
173:
160:
8:
281:
268:
255:
242:
229:
216:
203:
190:
164:
177:
296:
148:
This category has the following 10 subcategories, out of 10 total.
15:
294:
295:
313:Infrastructure completed in the 1920s
143:
13:
303:Dams completed in the 20th century
150:
142:
14:
324:
1:
308:Dams by decade of completion
7:
10:
329:
278:Dams completed in 1929
265:Dams completed in 1928
252:Dams completed in 1927
239:Dams completed in 1926
226:Dams completed in 1925
213:Dams completed in 1924
200:Dams completed in 1923
187:Dams completed in 1922
174:Dams completed in 1921
161:Dams completed in 1920
320:
283:
270:
257:
244:
231:
218:
205:
192:
179:
166:
135:
130:
125:
120:
93:
83:
328:
327:
323:
322:
321:
319:
318:
317:
293:
292:
291:
290:
289:
288:
285:
284:
272:
271:
259:
258:
246:
245:
233:
232:
220:
219:
207:
206:
194:
193:
181:
180:
168:
167:
141:
140:
139:
138:
133:
128:
123:
118:
91:
81:
76:
75:
12:
11:
5:
326:
316:
315:
310:
305:
287:
286:
276:
275:
273:
263:
262:
260:
250:
249:
247:
237:
236:
234:
224:
223:
221:
211:
210:
208:
198:
197:
195:
185:
184:
182:
172:
171:
169:
159:
158:
155:
152:
151:
146:
137:
136:
131:
126:
121:
116:
111:
104:
99:
94:
89:
84:
78:
77:
74:
73:
68:
63:
58:
53:
48:
43:
38:
33:
28:
23:
17:
16:
9:
6:
4:
3:
2:
325:
314:
311:
309:
306:
304:
301:
300:
298:
279:
274:
266:
261:
253:
248:
240:
235:
227:
222:
214:
209:
201:
196:
188:
183:
175:
170:
162:
157:
156:
153:
149:
145:Subcategories
144:
132:
127:
122:
117:
115:
112:
110:
109:
105:
103:
100:
98:
95:
90:
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39:
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34:
32:
29:
27:
24:
22:
19:
18:
147:
106:
45:
297:Categories
282:(16 P)
269:(16 P)
256:(26 P)
243:(20 P)
230:(23 P)
217:(22 P)
204:(19 P)
191:(11 P)
165:(11 P)
178:(8 P)
71:1970s
66:1960s
61:1950s
56:1940s
51:1930s
46:1920s
41:1910s
36:1900s
31:1890s
26:1880s
21:1870s
134:25th
129:24th
124:23rd
119:22nd
114:21st
108:20th
102:19th
97:18th
92:17th
87:16th
82:15th
154:0–9
299::
280:
267:
254:
241:
228:
215:
202:
189:
176:
163:
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