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This shows a surveyor's tripod's foot. The platform is used to push the spike into the ground. Above the foot is the height adjustment. The tripod is placed in the location where it is needed. The surveyor will press down on the legs' platforms to securely anchor the legs in soil or to force the feet to a low position on uneven, pock-marked ...
The Illinois Department of Natural Resources (IDNR) is the code department [1] [2] of the Illinois state government that operates the state parks and state recreation areas, enforces the fishing and game laws of Illinois, regulates Illinois coal mines and other extractive industries, operates the Illinois State Museum system, and oversees scientific research into the soil, water, and mineral ...
It is managed, coterminously with the Union County State Fish and Wildlife Area, by the Illinois Department of Natural Resources from a full-time office in nearby Jonesboro. [1] The park is made up of bottomland, hardwood forest lands, and agricultural fields. IDNR reports the practice of continuous habitat management on the site. [2]
The Illinois state park system began in 1908 with what is now Fort Massac State Park, in the U.S. state of Illinois, becoming the first park in a system encompassing over 60 parks and about the same number of recreational and wildlife areas.
State parks are owned by the state and generally administered by the Illinois Department of Natural Resources. [3] Specifically, “State Park” refers to sites “exhibiting exceptional scenic and natural features and terrain” and that “offer a wide range of recreational opportunities for the public to enjoy”. [4]
Surveyor's compass; Tachymeter (surveying) Tape (surveying) ... Tripod (surveying) Universal instrument (surveying) ... Text is available under the Creative Commons ...
The Moraine View State Recreation Area is a state park operated by the Department of Natural Resources (DNR) of the U.S. state of Illinois. The 1,687 acre (6.7 km 2) recreation area is located near Le Roy, Illinois. The predecessor of Moraine View, the McLean County Conservation Area, traces its history to 1959.
Lincoln Trail State Park is a 1,023-acre (414 ha) Illinois state park located in Clark County, Illinois. [1] It is positioned 2 miles (3 km) south of the city of Marshall, just west of Illinois Route 1. [2] The state acquired the first 31 acres (13 ha) of the park in 1936; the park and lake were officially dedicated in 1958. [3]