Southwestern United States
AA-2026-5ECAC6
On the image
A group of serious individuals has brought their specialized equipment out into the rugged, arid landscape for some precise observation work, as was common practice in the 1970s. Each person is intently focused on their transit, carefully aligning lines of sight across vast distances of scrub and distant mountains. This meticulous, hands-on data collection would one day be replaced by satellites and GPS, but for now, precise angles were everything.
Down in the dirt, another person diligently records the numbers, a reminder that scientific discovery, at its core, often involves a significant amount of paperwork. They are all engaged in the careful, slow process of understanding the earth's features, one triangulated point at a time.
It is the kind of methodical endeavor where success depends entirely on not moving the tripod, not bumping the pen, and not questioning the ultimate purpose of staring through a scope at a white pole on a distant hill.
The historian's note
This photograph captures a geology field study in an arid, mountainous region during the 1970s. Field geology at this time relied heavily on direct observation, physical measurement, and the use of optical surveying instruments like transits or theodolites.
Students or researchers would spend extended periods in the field, mapping geological features, rock formations, and elevation changes by taking precise angular measurements and recording them manually. These methods were foundational for geological surveys, resource exploration, and cartography before the widespread adoption of satellite imagery and global positioning systems (GPS) in later decades.
Such practical, hands-on training was a crucial component of geology and surveying education, providing direct experience with landscape interpretation and data acquisition in varied terrains.
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Visually related — by likeness
Geology Field Study, Arid Mountains, 1970s. 1970–1979. Archive & Atlas, Historical Image Library, AA-2026-5ECAC6. https://thearchive.archiveandatlas.com/library/geology-field-study-arid-mountains-1970s.
@misc{aaAA20265ECAC6,
title = {Geology Field Study, Arid Mountains, 1970s},
year = {1970–1979},
howpublished = {Archive \& Atlas, Historical Image Library},
note = {Accession AA-2026-5ECAC6},
url = {https://thearchive.archiveandatlas.com/library/geology-field-study-arid-mountains-1970s}
}TY - ART TI - Geology Field Study, Arid Mountains, 1970s PY - 1970–1979 PB - Archive & Atlas, Historical Image Library AN - AA-2026-5ECAC6 UR - https://thearchive.archiveandatlas.com/library/geology-field-study-arid-mountains-1970s ER -
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