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Survey markers, also called survey marks, survey monuments, or geodetic marks, are objects placed to mark key survey points on the Earth's surface. They are used in geodetic and land surveying . A benchmark is a type of survey marker that indicates elevation ( vertical position ).
Benchmarking, also known as benchmark hunting, [1] is a hobby activity in which participants find benchmarks (also known as survey markers or geodetic control points). The term "benchmark" is used only to refer to survey markers that designate a certain elevation , but hobbyists often use the term benchmarks to include triangulation stations or ...
The Beginning Point of the U.S. Public Land Survey is at a point on the Ohio-Pennsylvania border between East Liverpool, Ohio, and Ohioville, Pennsylvania, on private property. A National Historic Landmark marker commemorating the site lies on the side of a state highway, exactly 1,112 feet (339 m) to the north of the point. [4]
a reference to find the cited plat map (e.g., a page and/or volume number), and a description of the map's place of official recording (e.g., recorded in the files of the County Engineer ). The legal description of a 2.5-acre (10,000 m 2 ) property under the Lot and Block system may be something like; Lot 5 of Block 2 of the South Subdivision ...
An Ordnance Survey cut mark in the UK Occasionally a non-vertical face, and a slightly different mark, was used. The term benchmark, bench mark, or survey benchmark originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle iron could be placed to form a "bench" for a leveling rod, thus ensuring that a leveling rod could be accurately ...
The initial survey operations are concentrated on locating monuments. Property corners may be marked by iron pins, metal survey markers, iron pipes, and other features possibly establishing a line of possession will be located. When the approximate positions for the boundaries of the property have been located, a traverse is run around the ...
Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS.. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.
A unit of real estate or immovable property is limited by a legal boundary (sometimes also referred to as a property line, lot line or bounds). The boundary (in Latin: limes ) may appear as a discontinuation in the terrain: a ditch, a bank, a hedge, a wall, or similar, but essentially, a legal boundary is a conceptual entity, a social construct ...