Geologist Examining Rock by River - Vintage Scientific Illustration #117942 (License: Personal Use)

This detailed line-art illustration depicts a geologist in period-appropriate attire-wide-brimmed hat, rolled sleeves, knee-high boots-crouched at the edge of a river, using a magnifying glass to examine a rock specimen. The background features layered sedimentary cliffs and dynamic water flow, suggesting a field study in a fluvial or canyon environment. A geological hammer lies nearby, reinforcing the scientific context.

Used in educational articles, museum exhibits, or history-of-science webpages to illustrate early geological field methods; appeals to users researching historical scientific practices, vintage illustrations, or earth science pedagogy.