Artifact - Any object made or modified by man. Absolute dating - An analytical technique that determines when an artifact was used or an event occurred. Culture - Different groups of people and ways of life. Excavation - The study of an archeological site by removing the soil layer by layer. Feature - An immovable artifact that cannot be taken to the lab.
Examples are wall footings, pits, fire hearths, or a posthole.
Grid - The series of square and rectangular excavations that archeologists make while excavating a site. The study of sites dating to the arrival of Europeans and later, and which hold at least some European artifacts. The study of sites that date from before European contact. Preservation - Keeping something from injury or harm, especially sites related to our past. Projectile point - The stone point used on the tip of an arrow or spear, usually called an arrowhead.