The Idaho Society of Professional Land Surveyors is the foremost leader in support of professional land surveyors in Idaho.
To advance the science of land surveying and foster and maintain high standards of professional ethics and practice.
ISPLS was incorporated in 1976. The name was changed in 1993 to Idaho Society of Professional Land Surveyors.
The Idaho Society of Professional Land Surveyors
Land surveyors in Idaho were first organized as a subsidiary of Idaho Society of Professional Engineers. In 1974, the Land Surveyors of Idaho organized as separate entity.
The group incorporated In 1976 as a non-profit entity called the Idaho Association of Land Surveyors. The name was changed in 1993 to Idaho Society of Professional Land Surveyors.
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Land surveying has a long and storied past. In relatively recent history, in 1803 Merriweather Lewis and William Clark were directed by United States President Thomas Jefferson (who was himself a surveyor) to investigate the Pacific Northwest in search of the Northwest Passage:
“… The object of your mission is to explore the Missouri river, & such principal stream of it, as, by it’s course & communication with the waters of the Pacific Ocean, may offer the most direct & practicable water communication across this continent, for the purposes of commerce.
Beginning at the mouth of the Missouri, you will take observations of latitude & longitude, at all remarkable points on the river, & especially at the mouths of rivers, at rapids, at islands & other places & objects distinguished by such natural marks & characters of a durable kind, as that they may with certainty be recognized hereafter. the courses of the river between these points of observation may be supplied by the compass, the log–line & by time, corrected by the observations themselves. the variations of the compass too, in different places, should be noticed.
… Your observations are to be taken with great pains & accuracy, to be entered distinctly, & intelligibly for others as well as yourself, to comprehend all the elements necessary….”
– Excerpts from the diaries of Thomas Jefferson
PO Box 2133
Boise, ID 83701