Nelson Horatio Darton
By National Cooperative Geologic Mapping Program
1900 (approx.)
![Photo of Nelson Horatio Darton (1865-1948), one of the first USGS geologic mappers and scientific photographers.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/nhdarton.jpg?itok=G9_SmZHo)
Detailed Description
Photo of Nelson Horatio Darton (1865-1948), one of the first USGS geologic mappers and scientific photographers.
Sources/Usage
Public Domain.