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City of Garland Monuments
Geodetic Control Network
The City of Garland Geodetic Control Network (GCN) was established in 1990, followed by two adjustments. The first in 1996 corrected gross vertical errors and some horizontal data. The second adjustment, in June of 2002, tightened the data with the aid of NGS’ OPUS service. A summary of this adjustment is included within the following Documents.
Texas Department of Transportation
The GCN is on the same datum as the Texas Department of Transportation (TxDOT) and can be used in conjunction with any TxDOT work. While it is an optimal condition that the network data remain static, occasional adjustments may be necessary. Therefore, the user of the data must ensure that they have the latest values for any monument by checking with the City Surveyor.
Additional monuments, including replacement monuments, are often set at various locations around the City. These points will be added to the network in the future. The City of Garland makes no warranties, expressed or implied, as to the accuracy, correctness or precision of the GCN and it is the user’s responsibility to verify the accuracy of any data used.
Additional Information
Gather more information about the City of Garland Monuments (PDF) and view photographs of City of Garland monuments.
Documents
- Primary Monument Latitude and Longitude (PDF)
- Primary Monument Final Coordinates (PDF)
- Azimuths Final Coordinates (PDF)
- Azimuths Latitude and Longitude (PDF)
- GPS Point Map (PDF)
- GPS Primary and Azimuth 001 through 025 (PDF)
- GPS Primary and Azimuth 026 through 050 (PDF)
- GPS Primary and Azimuth 051 through 075 (PDF)
- GPS Primary and Azimuth 076 through 100 (PDF)
- GPS Primary and Azimuth 101 through 125 (PDF)
- GPS Primary and Azimuth 126 through 150 (PDF)
- GPS Primary and Azimuth 151 through 175 (PDF)
- GPS Primary and Azimuth 176 through 200 (PDF)
- GPS Primary and Azimuth 201 through 225 (PDF)
- GPS Primary and Azimuth 226 through 250 (PDF)
- GPS Primary and Azimuth 251 through 275 (PDF)