p. 534

Grant County is bounded on the north by Crawford and Richland counties; east by Iowa, south by Illinois and west by Iowa Territory; or north by the Wisconsin river, east by the Fourth Principal Meridian, south by the state line, and west by the Mississippi. Its extreme length from north to south is forty eight miles and from east to west thirty seven miles; its mean width however is only twenty four miles, showing an area of eleven hundred and fifty two square miles or sections. Grant county was set off from Iowa and organized as a separate county in 1836. Its population in 1838 was 2763; in 1840 it was 3926 and in 1842-5937. The county seat is Lancaster. The principal streams are the Mississippi, the Wisconsin, Platte river, Grant river and Little Platte river. The principal villages are Lancaster, Potosi, Sinapee, Cassville, Grant, Gibralter, Wingville, and Platteville. It abounds in "Mineral diggings" or mines of lead and copper ore, especially in the southern part of

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