The American Congress on Surveying and Mapping (ACSM) is an international professional association representing the interests of those engaged in measuring and communicating spatial data relating to the Earth's surface. ACSM is composed of several autonomous professional societies, namely:

• The American Association for Geodetic Surveying (AAGIS)
• The Cartography and Geographic Information Society (CaGIS)
• The Geographic and Land Information Society (GLIS)
• The National Society of Professional Surveyors, Inc. (NSPS)

Individual members of ACSM are members of at least one of these professional societies.

ACSM's headquarters are located at 6 Montgomery Village Avenue, Suite #403, Gaithersburg, Maryland 20879.

[edit] External links

• Official website
• The American Association for Geodetic Surveying Official website
• The Cartography and Geographic Information Society Official website
• The Geographic and Land Information Society Official website
• The National Society of Professional Surveyors, Inc. Official website

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