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Websites

1. Freitas M.I., (2000), An Alternative to Updating Topographic Maps Using SPOT Images, International Archives of Photogrammetry and Remote Sensing, XXXIII/B4, (Accessed: 2 June 2026).

2. Ottichilo, W. & Khamala, E., (2002), MAP UPDATING USING HIGH RESOLUTION SATELITE IMAGERY A CASE OF THE KINGDOM OF SWAZILAND. (Accessed: 2 June 2026).

3. Google (2022), Google Earth. (Accessed: 2 June 2026).

4. National Land Survey of Finland. (2022), Map updating. (Accessed: 2 June 2026).

5.Gao, M., Xu, X., Klinger, Y. et al, (2017), High-resolution mapping based on an Unmanned Aerial Vehicle (UAV) to capture paleoseismic offsets along the Altyn-Tagh fault, China. (Accessed: 2 June 2026).

6. Ngondi, S., Makanga, J., Sweta, L., Buyengo, J., Mtaroni, V. and Wahome, A., (2019), Topographical Map Updating Using Sentinel 2A. (Accessed: 2 June 2026).

7. Jasim, O., (2007), Digital Geomatics Trends for Production and Updating Topographic Map by Using Digital Generalization Procedures. (Accessed: 2 June 2026).

8. Lunar and Planetary Institute, (2023), Topography and Satellite Images. (Accessed: 2 June 2026).

9. Shrestha, K.G. (no date) Updating of topographic maps in Nepal, Journal on Geoinformatics, Nepal. (Accessed: 2 June 2026).

10. Author links open overlay panelD.A. Holland et al. (2006), Updating topographic mapping in Great Britain using imagery from high-resolution satellite sensors, ISPRS Journal of Photogrammetry and Remote Sensing. (Accessed: 2 June 2026).

11. OpenTopography (2026), OpenTopography: High-resolution topography data and tools. (Accessed: 2 June 2026).

12. Stadia Maps (2025), 2025 satellite imagery map refresh. (Accessed: 2 June 2026).

13. EOS Data Analytics (2026), EOSDA LandViewer. (Accessed: 2 June 2026).

14. National Oceanic and Atmospheric Administration (2026), NOAA Data Access Viewer. (Accessed: 2 June 2026).

15. U.S. Geological Survey (2026), The National Map. (Accessed: 2 June 2026).

16.. Copernicus Sentinel Missions (2026), Sentinel Online. (Accessed: 2 June 2026).

17. Copernicus Data Space Ecosystem (2026), Copernicus Data Space Ecosystem. (Accessed: 2 June 2026).

18. Copernicus Land Monitoring Service (2026), Copernicus Land Monitoring Service (CLMS). (Accessed: 2 June 2026).

19. Stadia Maps (2025), 2025 satellite imagery map refresh. (Accessed: 2 June 2026).

20. EOS Data Analytics (2026), Free satellite imagery sources: Zoom in our planet. (Accessed: 2 June 2026).

21. GISGeography, (n.d.), GIS Dictionary – Geospatial Definition Glossary. (Accessed: 2 June 2026).

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