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The deep ice-sheet coring (DISC) drill was used for production ice-core drilling at WAIS Divide in Antarctica for six field seasons between 2007 and 2013. Continuous ice-core samples were obtained between the snow surface and 3405 m depth. During the 2012/13 austral summer, the DISC drill’s newly designed replicate ice-coring system was utilized to collect nearly 285m of additional high-quality core samples at depths of high scientific interest. Annual progress graphs are described, as well as milestones achieved over the course of the project. Drilling operations, challenges encountered, drill fluid usage, drilling results, and the drill crew’s experiences with the DISC drill and replicate coring system during production drilling are described and discussed in detail. Core-processing operations are described briefly, as well as the logistical undertaking of the DISC drill’s deployment to Antarctica.
My master had law and power on his side; I had a determined will. There is might in each.
Harriet JacobsThe kindness of the slave-master only gilds the chain of slavery, and detracts nothing from its weight or power.
Frederick DouglassThe power of the master must be absolute to render the submission of the slave perfect.
Judge Thomas RuffinUlrich Bonnell Phillips was the earliest, most widely read, and most influential twentieth-century historian of Afro-American slavery. An extraordinarily well-read, well-educated, shrewd, and intelligent white native of South Carolina, he was also an apologist for slavery, a man who believed that slavery was just and right because Africans were an inherently inferior people and slavery offered the best possibility for civilizing them. He was thus a participant – a key one, while ostensibly merely writing history – in the slavery debate. Although he wrote many decades after the publication of the narratives here considered – those of Harriet Jacobs and Frederick Douglass – he is still engaged in struggle with them. They join with many others before and after them in a debate of long standing about what slavery is, about its nature or its character.
Phillips's book, American Negro Slavery (1918), his first major salvo in the debate, emerged from a tradition of thinking about Southern slavery that began long before he first drew breath. The tradition's inception extends back to the eighteenth century, when slaveholders responded to attacks on slavery by attempting to justify slaveholding to themselves and to the world.
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