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193:Category:1840s disestablishments in Pennsylvania
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399:1840 establishments in the United States
268:Jackson and Woodin Manufacturing Company
205:This list may not reflect recent changes
389:Establishments in Pennsylvania by year
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384:1840s establishments in Pennsylvania
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353:Rochester Township, Pennsylvania
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341:Pennsylvania and Ohio Canal
324:New Bethlehem, Pennsylvania
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285:Lancaster Brewing Company
256:Oscar Hammerstein II Farm
365:Zelienople, Pennsylvania
290:Lock Haven, Pennsylvania
280:Lackawanna Steel Company
232:Clearfield, Pennsylvania
302:Manayunk, Philadelphia
244:Edinboro, Pennsylvania
219:A. S. Barnes & Co.
329:Newport, Pennsylvania
394:1840 in Pennsylvania
307:Monaca, Pennsylvania
26:United States portal
312:Moses Little Tavern
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191:See also:
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56:in the year
53:Pennsylvania
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378:Categories
48:category
183:1890s
178:1880s
173:1870s
168:1860s
163:1850s
157:1840s
151:1830s
146:1820s
141:1810s
136:1800s
131:1790s
46:This
120:1845
115:1844
110:1843
105:1842
100:1841
95:1840
90:1839
85:1838
80:1837
75:1836
70:1835
59:1840
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