The Invention of the Creek Nation, 1670-1763
Drawing on archaeological evidence and often-neglected Spanish source material, The Invention of the Creek Nation, 1670-1763 explores the political history of the Creek Indians of Georgia and Alabama and the emergence of the Creek Nation during the colonial era in the American Southeast. In part a study of Creek foreign relations, this book examines the creation and application of the "neutrality" policy-defined here as the Coweta Resolution of 1718-for which the Creeks have long been famous, in an era marked by the imperial struggle for the American South. Also a study of the culture of internal Creek politics, this work shows the persistence of a "traditional" kinship-based political system in which town and clan affiliation remained supremely important. These traditions, coupled with political intrusions by the region's three European powers, promoted the spread of Creek factionalism and mitigated the development of a regional Creek Confederacy. But while traditions endured, the struggle to maintain territorial integrity against Britain also promoted political innovation. In this context the territorially defined Creek Nation emerged as a legal concept in the era of the French and Indian War, as imperial policies of an earlier era gave way to the territorial politics that marked the beginning of a new one.
Rediscovering Pensacola's Lost Spanish Missions
In 1763, 108 Yamasee and Apalachee Indians accompanied the Spanish evacuees from Pensacola to a new home in Veracruz, and two years later just 47 survivors laid out a new town north of Veracruz called San Carlos de Chachalacas, electing dual mayors representing each ethnicity. These expatriates were the remants of two Pensacola-area missions that had been burned by Creek raids in 1761—San Antonio de Punta Rasa and San Joseph de Escambe. This paper will explore the origins and history of these missions, and the ongoing search for archaeological traces of their existence.
UV-B radiometry and dosimetry for solar measurements.
Biologically effective irradiance or dose of solar UV radiation was determined using a spectroradiometer, two broadband radiometers and two types of passive UV-dosimeters. The absolute erythema irradiance and the actinic irradiance were calculated from the solar spectrum measured with the spectroradiometer. It was demonstrated that the erythema irradiance is proportional to the actinic irradiance of solar radiation. The erythema irradiance was also determined using the two broadband radiometers which utilize a filter transmitting erythema spectra. Personal UV-dosimeters such as polysulphone and CR-39 were used to determine the erythema dose for a selected period of time. These results were used to estimate the accuracy of the broadband radiometers and UV-dosimeters. It was found that the results obtained from the broadband radiometers deviate from the absolute erythema irradiance by less than 20% during clear days between the hours of 11:00 and 13:00 Eastern Standard Time (EST) in Australia. The assessment of the erythema dose using passive dosimeters such as polysulphone and CR-39 could introduce an error as high as 40% if the calibration was not performed before undertaking experimental measurements.