Wisconsin: Its Geography and Topography (I. A. Lapham, 1846)
Lapham, I. A. Wisconsin: Its Geography and Topography, History, Geology, and Mineralogy: Together with Brief Sketches of Its Antiquities, Natural History, Soil, Productions, Population, and Government. 2nd ed., Milwaukee: I. A. Hopkins, 1846. Allen County Public Library copy via the Internet Archive, archive.org/details/wisconsinitsgeog00inlaph.
What the corpus of Lapham's 1846 Wisconsin holds, how it was built, and what it says about Rock County and Beloit ten years after settlement.
Transcribed page by page: 64,804 words. Each page keeps its printed page number, so every quotation on the site can be checked against it.