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3 References

Dent, B. D., Torguson, J. S., & Hodler, T. W. (2009). Cartography: Thematic Map Design. McGraw-Hill

Frerichs, R. (2022). John Snow. Retrieved 07 28, 2022, from Britannica: https://www.britannica.com/biography/John-Snow-British-physician

GISGeography. (2022). The Remarkable History of GIS. Retrieved 07 28, 2022, from GISGeography: https://gisgeography.com/history-of-gis/ 

IOGP. (2022). Policies and procedures for EPSG Dataset data management. Report Number 373-07-6. Retrieved 03 15, 2024, from https://drive.tiny.cloud/1/4m326iu12oa8re9cjiadxonharclteqb4mumfxj71zsttwkx/736fcb2b-4b6e-4da7-b3ec-a00bc482d190

ISO. (2014). Geographic information: Metadata. Retrieved 03 23, 2024, from ISO 19115-1:2014: https://www.iso.org/standard/53798.html

NASA. (2024). Earth. Retrieved 03 20, 2024, from Explore: https://science.nasa.gov/earth/facts/

NIST. (2021). SI Redefinition. Retrieved 03 30, 2024, from NIST: https://www.nist.gov/si-redefinition/meter

NOAA. (2023). Is the Earth round? Retrieved 04 05, 2024, from National Ocean Service: https://oceanservice.noaa.gov/facts/earth-round.html

NRCan. (2014). TOPOGRAPHIC MAPS: The basics. Retrieved from https://natural-resources.canada.ca/sites/nrcan/files/earthsciences/pdf/topo101/pdf/Topo%20Maps%20-%20The%20basics_corrected2021.pdf

OGC. (2024). Standards. Retrieved 03 23, 2024, from Open Geospatial Consortium: https://www.ogc.org/standards/

Simmons, S. (2018). GIS Methods and Techniques.

Sottosanti, K. (n.d.). spherical Earth. Retrieved 04 02, 2024, from Britannica: https://www.britannica.com/science/spherical-Earth

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