Below the Surface is a 1938 adventure tale set in the coal region of Newcastle, Australia. Only part of the movie survives today.

Below the surface
Beneath the surface of developmental dyslexia
Standardized mortality ratios and the "healthy worker effect": scratching beneath the surface.
Beneath the surface of global change: Impacts of climate change on groundwater
How Does Venture Capital Financing Improve Efficiency in Private Firms? A Look Beneath the Surface
Review papers: Beneath the surface of global change: Impacts of climate change on groundwater
Cross-cultural comparisons and the presumption of equivalent measurement and theoretical structure: A look beneath the surface.
The epidemiology of pancreatic cancer in the United States: changes below the surface
STORAGE OF FOSSIL FUEL-DERIVED CARBON DIOXIDE BENEATH THE SURFACE OF THE EARTH
Adatom kinetics on and below the surface: the existence of a new diffusion channel.