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Display and describe known control points in Gresham
See FGDC metadata for more detailed info. |
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Display and describe known control points in Gresham
See FGDC metadata for more detailed info. |
| accessInformation:
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Gresham GIS Team |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Surveyed elevation Points</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN>Monument is typically a standard City of Gresham Control Monument, being a 2 inch bronze disk with raised datum point (Berntsen Model CD2LB), Stamped “City of Gresham Control Do Not Disturb”.</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Vertical: NGVD29 US Survey Feet</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN /><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>*May 2014- update</SPAN></P><P /><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>GPS receivers are TOPCON HIPER+, static L1 L2</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Vector reduction performed by TOPCON Tools Software, v 8</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Least Squares adjustment performed by STAR*NET Software, v 7.1</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Each control point was occupied for a minimum of one hour, on each of two different days. The values established on the points were constrained to a minimum of three City of Gresham primary control points.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN /><SPAN /></P><P><SPAN /></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>none</SPAN></P></DIV></DIV></DIV> |
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| title:
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Control Points |
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| tags:
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["Benchmark","Elevation","Surveyor","Monument","Horizontal","Vertical","Control"] |
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en-US |
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150000000 |
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