Nov 7, 2025 · These tributaries meander and braid across a wide, gently sloping mantle of unconsolidated materials, laid down over rock beds of the Cretaceous Period (i.e., about 100 …

Nov 25, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and …

Rock is a form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United States and spread …

Standing Rock protests, campaign undertaken in North Dakota in 2016 and 2017 to halt the construction of the Dakota Access pipeline.

King became popular among an even larger audience as rock guitarists in the late 1960s acknowledged his influence on their own music. A museum dedicated to King and the Delta …

Nov 7, 2025 · Leading cargoes, by bulk, are petroleum and derivative products, coal and coke, iron and steel, chemicals, sand and gravel, crushed rock, and sulfur. An increasing emphasis …

Nov 21, 2025 · Rock and roll, style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style …

Nov 6, 2025 · Sedimentary rock, rock formed at or near Earth’s surface by the accumulation and lithification of sediment or by the precipitation from solution at normal surface temperatures.

Nov 14, 2025 · Rioting by white mobs temporarily closed Central High School in Little Rock, Arkansas, when nine Black students were admitted to it in 1957, prompting Pres. Dwight D. …

This is a list of the cities that are state capitals in the United States, ordered alphabetically by state. The list also provides the most recent U.S. census population for each city as well as an …