Biology and chemistry are good subjects for premedical or predental coursework.

This belt is about 1,000 feet wide at the McConnell Mine, and ends a few hundred yards north of the Bluestone. […] It was worked about 30 years ago, and for a time supplied natural bluestone (chalcanthite) to the amalgamating mills ...

Run barefoot up and down, threat’ning the flames With bisson rheum; a clout upon that head Where late the diadem stood, and for a robe, About her lank and all o’erteemed loins, A blanket, in the alarm of fear caught up;

Once the wet kicks in up north, you can be stranded for months waiting for swollen rivers to subside to a crossable depth[.]