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Category Archives: Resources
Sangamo/Schlumberger Watthour Meter Serial Log
Hat tip: The following information, designed to help people determine the manufacturing dates of their Sangamo Electric watthour meters, was provided by SangamonLink reader David Dahle. Our thanks to him. Sangamo/Schlumberger watthour meter serial log Year Serial Numbers … Continue reading
Posted in Business, Industry, Resources, Uncategorized
2 Comments
Coal mines in Sangamon County (maps)
The map above is a small-scale reproduction of an Illinois State Geological Survey map showing the extent of underground coal mining in the two Springfield quadrangles, Springfield East and Springfield West. The original map can be found at the survey’s … Continue reading
Posted in Coal mines and mining, Maps, Resources
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Sangamo Electric meter chronology
The six images below give the serial numbers of watthour meters (singlephase and polyphase), mechanical and thermal demand meters, and instrument transformers manufactured by Sangamo Electric and the years (between 1930 and 1981) they were manufactured. Collectors and people still … Continue reading
Posted in Business, Industry, Resources
2 Comments
Birds of Sangamon County
A 40-year study by Illinois State Museum ornithologist H. David Bohlen found 359 different species of birds in Sangamon County. However, Bohlen warns in his report, published online by the museum in 2013, that increasing human population has badly reduced … Continue reading
Posted in Prehistory, Resources, Science
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Sangamon County in 1837
The following description of Sangamon County is taken from Illinois in 1837: A Sketch by H.L. Ellsworth (Philadelphia, 1837); spelling and punctuation from the original. Note that, two years after this was written, the Illinois General Assembly reduced Sangamon County … Continue reading
Posted in Communities, Histories, Maps, Resources, Sangamon County, Sangamon River, Soil, Transportation
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Springfield African-American History Foundation interviews
As of late 2015, the Springfield African-American History Foundation, in conjunction with the oral history efforts of the Abraham Lincoln Presidential Library, had published interviews with 30 black residents of Springfield. Those interviews can be found here. Interviewees are: Adams, Rosia: … Continue reading
Population changes, 1830-2010
Below are U.S. Census population figures for Sangamon County as a whole beginning in 1830 and for the city of Springfield alone beginning in 1840. (The 1830 Census did not separate out figures for individual communities.) Racial designations below are … Continue reading
Posted in Business, Communities, Resources, Springfield
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Links
One of the great advantages of an online history is that we can summarize a topic, giving readers the essential story, while directing anyone who wants more information to additional online material. We encourage SangamonLink authors to employ links liberally, while … Continue reading
Posted in Resources
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Photos
Illustrations really are worth 10,000 words. Every SangamonLink author should be on the lookout for potential visual elements and include them whenever possible. Please provide captions for all illustrations with your article. Captions must identify the original source of the illustration. … Continue reading
Posted in Resources
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