ANTH 2015 Lecture 5 Notes - Arch Lecture Lecture 5...

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Arch Lecture Lecture 5: Introduction to Archaeology, Louisiana State University, Heather McKillop Word list for “Mapping in Archaeology” lecture Pace and compass o Pacing out a map like a pirate Tape and compass o Tape measure instead of pacing Transit o Purpose: to set out places to excavate o Information from a transit: Elevation: height difference between transit and stadia Distance: between transit and stadia rod Angle: degrees east or west of direction in which transit is set up o Reading Elevation through a transit Look through the telescope of the transit Read the number on the stadia rod where the central stadia hair crosses Compare the number with the instrument height o Reading Distance through Using a Transit Look through Telescope barrel Count numbers between central and upper or bottom stadia hairs Multiply by 200 o Recording Transit Information Use a survey notebook to record data From (transit)
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Unformatted text preview: To (each point) Distance Elevation Angle Plane table alidade Topographic map o How to Make a Topographic Map Start from the “datum” point where the transit was set up (1.0 m elevation) Map shows elevations along 5 rays Contour interval = .25m For each ray, find 1.25, 1.50, 1.75 Join points to make contour lines o Topographic Map = contour map o Contours = lines on the map showing elevation Contour lines are places of equal elevations Therefore, contour lines cannot intersect o Contour interval = distance between lines GIS o Computerized maps with attached databaseo Digitize map Enter information from survey notebook into computer Total station to collect information Benefits: multiple copies overlay database solve problems Wild Cane Cay Frenchman’s Cay G.P.S. G.P.S. / G.I.S....
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