NASA NTRS · 19780000577
Safe, durable soil sampler
Abstract
Soil sampling tool protects user from injury and resists effects of weather and hard use. Penetrometer has uses in construction, surveying, geological research and similar applications.
Keep this discovery
Explore connections, maps & timelines
Durrant, R. D.. 1979-03-01. Safe, durable soil sampler. https://ntrs.nasa.gov/citations/19780000577
Cite the original work for its findings. Save a collection to share your selection of sources.