Mines and Quarries Schedules
Beginning in 1900, statistics were collected on mines and quarries. These schedules do not include enterprises valued at less than $500; or in the case of bituminous coal mining industry, producing less than 1,000 tons; or, if not productive, in which development work amounting to less than $5,000 was done. By 1920 the schedules list numbers of mines, quarries, wells, and plants; classification; influence of increased prices; age, sex, wages, and positions of employees; prevailing hours of labor; capital; expenses; supplies and materials, fuel, and power; contract work; royalties and rents; taxes; expenditures for development work; value of products; cost of mining and profits; lands controlled; and power used. In 1930 the list of exclusions is different and a few categories are added. For instance, it expands “sandstone” into sand and gravel, glass-sand, and molding-sand industries.
| Sample Form | Statistical Summaries |
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| 1900 (form not available) |
Statistical summaries are available on the Census Bureau’s website https://www.census.gov/prod/www/decennial.html. This link will take you off-site. Once you are there, click on the year of the census. Then click on the ZIP file for a specific report. |
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1910 (form not available)
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1920 (form not available)
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1930 (form not available)
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