Note 4 — Chapter I · INTRODUCTION
Reading edition
Audubon, in Audubon County, Iowa, in Beeker County, Minnesota, and in Wise County, Texas, as well as Audubon, Montgomery County, Pennsylvania, in which his old farm, "Mill Grove," is situated. Audubon Avenue is the first of the subterranean passages which lead from the entrance of Mammoth Cave, and is noted for its swarms of bats. Audubon Park, New York City, between the Hudson River and Broadway and extending from 156th, to 160th Streets, embraces a part of "Minnie's Land," the naturalist's old Hudson River estate, but is a realty designation and is now almost entirely covered with buildings (see Chapter XXXVI).