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9
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	18
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	40
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Across 2. information marker 4. point of known elevation 8. to make level 9. combination of theodolite and distance meter 12. point of known chainage 13. download data from the data collector 17. station marker 18. instrument for turning angles 20. known distance from beginning point 21. electromagnetic distance measurement device 24. minus rod reading 25. 43,560 square feet 26. a series of lines connecting a number of points, often used as a base for triangulation 28. 10,000 square meters or 2.471 acres 30. prism pole 31. unit of length = to 40 poles 33. straight line connectingthe end points of an arc 36. double zeros 38. can support a horse or cow for one year 39. unit of length = 7.92 inches 40. foresight used to carry survey forward 41. depth of material to be placed

Down 1. difference between magnetic north and true north 3. the zero end of a measuring tape 5. depth of material to be removed 6. true bearing 7. parallel to the horizon or level 10. closure error 11. global positioning system 14. measurement above or below mean sea level 15. distance from the work to a reference point 16. a permanently placed survey marker 19. plus rod reading 22. method of plumbing the rod 23. perpendicular to the horizon 27. measure distance with an EDM 29. calibrated measuring stick 32. the slope of a line in reference to a horizontal plane 33. used for measuring long distances 34. survey instrument 35. to raise the rod a set amount 37. parallel to the plane of the horizon