Buchanan, who is buried in Lancaster, has regularly been ranked one of the worst presidents by historians, citing his ambivalence towards the South wanting to secede from the Union prior to the Civil War.
A shield volcano is a type of volcano usually built almost entirely of fluid magma flows. They are named for their large size and low profile, resembling a warrior's shield lying on the ground.
A shIeld volcano has a large base and gently sloping sides. The lavas from this type of volcano are very fluid and rarely explosive. Shield volcanoes may erupt frequently producing layer after layer of fluid lava that flows out creating the broad dome-like appearance of the mountain. The lava hardens into rock called basalt. Shield volcanoes are