“Double-graduated, 0-360° (Azimuth) and 0-90-0° (Quadrant) to 1°. Declination adjustment 45° East or West, 5´ vernier. Thumb screw needle lock.”

article from The College of Natural Resources, University of Wisconsin - Stevens Point

“the reality of the modern West is one of look-alike stripmalls, snarled traffic, air pollution, and ranches sold for subdivisions. Like most places in America, this is a region under siege by unplanned low-density development – sprawl.”

a helpful illustration

LandAccess.com allows searching of documents that are recorded in the County Recorder’s, or Clerk’s Office.

“World Wind allows any user to zoom from satellite altitude into any place on Earth, leveraging high resolution LandSat imagery and SRTM elevation data to experience Earth in visually rich 3D, just as if they were really there.”

“The 3rd Survey District of Philadelphia covers the original city from Vine to South streets, river to river. This district took over most of the old records of the city surveyors, including individual surveys and survey returns filed…”

Thomas Jefferson sent Meriwether Lewis to Ellicott in Lancaster for a short course in wilderness surveying before he set forth on the Lewis and Clark Expedition