"These . . . are situated on the county road from Cairo, Illinois. . . . They are the highest ground in that immediate section" (Missouri).[1]
Crowley's Ridge, running through Green, Craighead, Poinsett, and St. Francis counties (Arkansas) forms the divide between the waters of White and St. Francis rivers, and terminates in Phillips county just below the city of Helena. Most of the bottom lands are overflowed during high water. There are some evidences of archæological remains throughout the length of this ridge.[2]
"The works . . . one mile northeast of Dublin [Franklin county, Ohio] . . . are on a nearly level area of the higher lands of the section."[3]
"The group shown . . . is on a high hill near the Arnheim pike, Brown county [Ohio]."[4]
"On nearly every prominent hill in the
