Keystone — may refer to:* Keystone (architecture), the piece at the apex of an arch or vault * The Keystone effect, caused by projecting an image onto a surface at an angle, or by photography at an angle * Keystone correction for these types of… … Wikipedia
List of types of limestone — The following is a list of various types of limestone according to location.EuropeBritish Isles* Carboniferous limestone * Blisworth Limestone * Ketton Stone * Portland limestone ** Portland Admiralty Roach ** Portland Bowers Basebed ** Portland… … Wikipedia
Clarion-Limestone Area School District — Address 4091 C L School Road Strattanville, Pennsylvania, Clarion, Jefferson … Wikipedia
Coral rag — The west wing of the Parliament of Barbados (1872) is constructed of local coral rag. Coral rag is a rubbly limestone composed of ancient coral reef material. The term also refers to the building blocks quarried from these strata which are an… … Wikipedia
Old Dutch Church (Kingston, New York) — First Reformed Protestant Dutch Church of Kingston Church spire and south elevation, 2008 Basic information Location Kingston, NY, USA Geographic coordinates … Wikipedia
Clarion Area School District — Address 221 Liberty Street Clarion, Pennsylvania, Clarion, 16214 … Wikipedia
Central Railroad of Pennsylvania (1893-1918) — Infobox SG rail railroad name=Central Railroad of Pennsylvania locale=Pennsylvania start year=1893 end year=1918 successor line = abandoned hq city=BellefonteThe Central Railroad of Pennsylvania was a short railroad of convert|27.3|mi|km built to … Wikipedia
Pennsylvania — /pen seuhl vayn yeuh, vay nee euh/, n. a state in the E United States. 11,886,728; 45,333 sq. mi. (117,410 sq. km). Cap.: Harrisburg. Abbr.: PA (for use with zip code), Pa., Penn., Penna. * * * I officially Commonwealth of Pennsylvania State (pop … Universalium
Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… … Universalium
Clarion County, Pennsylvania — Clarion County Courthouse … Wikipedia
