By then, the family owned substantial tracts of real estate, mainly in the north Dayton area.

Tourism - infrastructure supporting tourism often requires the reclamation of substantial tracts of mangrove forests.

There is often a substantial tract of unimproved upland common grazing - known as a "shieling" or "àirigh" which is held in common.

Because a rabbit has a sensitive and rather substantial gastrointestinal tract, a rabbit's diet should consist of some amount of fiber.

In 1890 Edouard Lippert bought a substantial tract of the Braamfontein Farm.

Also nearby was the Shoemaker family, which owned substantial tracts of land in both the District and in Maryland.

Desertification has eliminated substantial tracts of agricultural land.

Columbia, about 20 miles southeast of Hartford, was one of the few towns with substantial tracts of land that remained undeveloped.

The Carmack family owned substantial tracts of land in which would eventually become the city of Cape Girardeau, Missouri.

Aquinas discusses a number of topics in the format of questions and replies, substantial tracts dealing with Aristotle's theory.