Penelope Boston Small Quotations

That kind of a no-doubt-about-it pond with minimal shallow excavation could be a goldmine of microfossil material! I'd want to sample its beautiful rims ... and do a small core down through the middle somewhere.

The instruments to study the surface would be different that if you were aiming at a lava tube. They have to be big enough to carry the kind of fuel cell that can power their systems, but not be too small that they get wedged into everything.