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<ul><li><b>Scope and content:</b>  This item lists Enumeration Districts for:</li></ul><p>IL ED 81-79: ROCK ISLAND TOWNSHIP, ROCK ISLAND CITY WARD 3 BOUNDED BY (N) 10TH AV; (E) 17TH; (S) 13TH AV, 15TH, 15TH AV; (W) 12TH.
</p><p>IL ED 81-80: ROCK ISLAND TOWNSHIP, ROCK ISLAND CITY WARD 3 BOUNDED BY (N) 15TH AV, 15TH, 13TH AV; (E) 17TH; (S) 18TH AV; (W) 12TH; ALSO VILLA DE CHANTAL BOARDING SCHOOL.
</p><p>IL ED 81-81A: SOUTH ROCK ISLAND TOWNSHIP, ROCK ISLAND CITY WARD 3 BOUNDED BY (N) 18TH AV; (E) 17TH; (S) 31ST AV; (W) 12TH; ALSO ROCK ISLAND COUNTY TUBERCULOSIS SANITARIUM.
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IL ED 81-81B: SOUTH ROCK ISLAND TOWNSHIP, ROCK ISLAND CITY WARD 3 BOUNDED BY (N) 31ST AV; (E) CITY LIMITS; (S) ROCK RIVER, 9TH; (W) 12TH.</div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
1850 – 1950
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>