Assertion: census's data | /r/HasProperty | lost in 1790–1830 time period
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Source sentences:
text: The data was lost in 1790–1830 time period and included data from: Connecticut, Maine, Maryland, Massachusetts, New Hampshire, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, Vermont, Delaware, Georgia, New Jersey, and Virginia; however, the census was proven factual and the existence of most of these data can be confirmed in many secondary sources pertaining to the first census.