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Topographic Drawing 1 MapsMap LetteringTypes of Letters UsedSize
graphical ProblemsProfile from PlanSite Plans Suggestions for Office Practice
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accuracy alluvial fans angles azimuth battalion Board of Surveys brush contour crossings contour interval contour map Conventional Signs coordinates curved direction distance dots draftsman drainage drawn edges elevation Engineering eroded error fault Federal Board Fence field Figure flat tint follows freehand gamboge Gnomonic Projection grade hachures horizontal india ink intersection irregular latitude lettering light map projection meridian method mounted OFFICE PRACTICE outline pantograph paper parallel pencil permission of Federal plane planimeter Plate plotted position polar planimeter polyconic projection protractor Prussian blue railroad relief represented ridge right-line pen road rolling shading shore line shown in Fig side slope spacing square stream Strike and dip strokes SUGGESTIONS FOR OFFICE surface symbol tangent tion topographic drawing topographic map tracer arm tracing cloth trees U. S. Coast U. S. Geological Survey valley vertical water colors water lining zero circle