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3

I bet those values are US survey feet, and based on the document, also on NAD 1927, not NAD 1983. The app you're using is using the NAD 1983 definitions of the State Plane zones. The parameters are different, so you're not going to be able to convert NAD 1927 coordinates using it. If I convert the given values (cropping to integers) using the NAD 1927 ...


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The simplest start point is Google SketchUp. http://download.cnet.com/SketchUp/3000-6677_4-10257337.html You will find most of the required materials online.


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Just mousing over a location shows the elevation at the bottom of the screen, along with lat/lon. There's also the Elevation Profile feature: https://support.google.com/earth/answer/181393?hl=en


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You can use the Openlayers plugin (http://hub.qgis.org/projects/openlayers/wiki) which introduces OpenStreetMap, Google Maps, and Yahoo Maps as basemaps. See these blogs and youtube videos (http://www.digital-geography.com/qgis-plugins-openlayers/#.VEP5-cnYff0; https://www.youtube.com/watch?v=6N3h4KQW_XQ) for information. Or you can use ESRI's basemapping, ...


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If anyone else has problems with this the best solution I have found is: find the ratio between the measurements in the two projections, divide the desired measurement by the undesired measurement, then multiply the answer by the desired measurement. For example: The measurement ratio between QGIS EPSG 3857 and Google Earth was 200m:153.15m. I need points ...


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You can generate a mesh of, for example, 0.001 degrees on each side, and make a reverse geocoding for every point. The google geocoder service would answer with N possible addresses. Each reverse geocoding request would have the following structure var latlng = new google.maps.LatLng(lat, lng); geocoder.geocode({'latLng': latlng}, function(results, ...



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