A worker using a gin could do the work of 50 people cleaning cotton by hand. Because of the gin, planters could now grow cotton at a huge profit. Eli Whitney actually made the Cotton gin April 1793.
Stapafell is a volcanic mountain on the south side of SnÃ¦fellsjÃ¶kull. This palagonitic pyramide is 526 m in height og rather eroded at the sides. On the top of the mountain is Fellskross, which was a sign of holy powers at the times of the vikings. It is said that the mountain is home of hidden people, also called elves.
As with most other volcanoes in the Cascade Range, Mount St. Helens is a large eruptive cone consisting of lava rock interlayered with ash, pumice, and other deposits. The mountain includes layers of basalt and andesite through which several domes of dacite lava have erupted.