When most of your research is completed and you?e ready to set up the field work, one of your early considerations could be, ?o I already have control in the area I can use??You start by checking your old records for any previously established control in the area. If you can? find any, you may need to set your own points. Better yet, is there a chance there are any USGS or NGS monuments you could you can use? Metzger + Willard, Inc. in Tampa, Florida have compiled several simple, quick and easy solutions you can use to search for any type of monument within Google Earth.
This is one of their web based searched tool called NGS Control Stations (NGSCS). The program overlays the benches onto your Google Earth Map. You can search in a radius, a rectangle, or by a county. See sample search above.
Simply go to: http://www.metzgerwillard.us/EarthSurvey.html
Read about their ?and Surveying Research Tools.?I? confident you will find a use for more than one of these tools. The only cost for using these tools is the time it takes to learn how to use them.