chalk containing clay
81Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene …
82Mud — For other uses, see Mud (disambiguation). Mud house in Amran, Yemen Mud is a mixture of water and some combination of soil, silt, and clay. Ancient mud deposits harden over geological time to form sedimentary rock such as shale or mudstone… …
83Kennet — ▪ district, England, United Kingdom district, administrative and historic county of Wiltshire, southern England, in the east central part of the county, about midway between Bristol and London. Kennet is a rural district of rolling chalk… …
84Galliformes — Temporal range: Eocene Recent, 45–0 Ma …
85Kansas — /kan zeuhs/, n. 1. a state in the central United States: a part of the Midwest. 2,363,208. 82,276 sq. mi. (213,094 sq. km). Cap.: Topeka. Abbr.: KS (for use with zip code), Kans., Kan., Kas. 2. a river in NE Kansas, flowing E to the Missouri… …
86Engineering Projects — ▪ 1995 Introduction BRIDGES Notable Engineering Projects(For Notable Engineering Projects in work, see Table (Notable Engineering Projects).) As the decade of the 1990s reached its midpoint, the limits to bridge design were being… …
87St. Peter's Basilica — Papal Basilica of Saint Peter Basilica Papale di San Pietro in Vaticano (Italian) Basilica Sancti Petri (Latin) …
88Pica (disorder) — Infobox Disease Name = PAGENAME Caption = Stomach contents of an inmate with pica DiseasesDB = 29704 ICD10 = ICD10|F|50|8|f|50, ICD10|F|98|3|f|90 ICD9 = ICD9|307.52 ICDO = OMIM = MedlinePlus = eMedicineSubj = ped eMedicineTopic = 1798 MeshID =… …
89Nationality Rooms — Coordinates: 40°26′40″N 79°57′12″W / 40.444426°N 79.953423°W / 40.444426; 79.953423 …
90folk art — folk art, adj. folk artist. artistic works, as paintings, sculpture, basketry, and utensils, produced typically in cultural isolation by untrained often anonymous artists or by artisans of varying degrees of skill and marked by such attributes as …
