Search results
Results from the WOW.Com Content Network
Excavation may be classified by type of material: [1]: 13.1 Topsoil excavation; Earth excavation; Rock excavation; Muck excavation – this usually contains excess water and unsuitable soil; Unclassified excavation – this is any combination of material types; Excavation may be classified by the purpose: [1]: 13.1, 13.2
Digging, also referred to as excavation, is the process of using some implement such as claws, hands, manual tools or heavy equipment, to remove material from a solid surface, usually soil, sand or rock on the surface of Earth.
Unclassified (U) is a valid security description, especially when indicating unclassified information within a document classified at a higher level. For example, the title of a Secret report is often unclassified, and must be marked as such.
Controlled Unclassified designates information that may be illegal to distribute. This information is available when needed by government employees, such as United States Department of Defense (DoD) employees, but the designation signifies that the information should not be redistributed to users not designated to use it on an operational basis.
"Unclassified" is deliberately omitted from the new model. Government bodies are not expected to automatically remark existing data, so there may be cases where organisations working under the new system still handle some data marked according to the old system.
Unclassified is not technically a classification; this is the default and refers to information that can be released to individuals without a clearance. Information that is unclassified is sometimes restricted in its dissemination as Controlled Unclassified Information.
Excavation: The site is excavated by archaeologists and the findings are documented. Sites may be primarily explored by non-professionals. This may disturb the integrity of the site, prior to formal excavation. If this is the case, crucial pieces of cultural and archaeological evidence may be lost.
The authority of the United States Department of Energy (DOE) to implement this authority as a form of prior restraint was only once tested in court, with inconclusive results. [ 4 ] [ 5 ] "Restricted Data" should not be confused with the classification category of " Restricted ", a relatively low category of classification.