8,129 research outputs found

    Review of \u3cem\u3eThe Loyal West: Civil War and Reunion in Middle America\u3c/em\u3e by Matthew E. Stanley

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    Interest in Civil War memory and post–Civil War sectional reconciliation has expanded greatly in recent years, as two 2016 historiographical essays attest.1 Matthew E. Stanley\u27s new book, The Loyal West: Civil War and Reunion in Middle America is thus well timed to make an important contribution to our evolving understanding of the process of sectional reconciliation in the decades following the Civil War. With his focus on Kentucky\u27s northern neighbors in the lower portions of Illinois, Indiana, and Ohio, the editorial staff of the Register of the Kentucky Historical Society believe Stanley\u27s book will help historians better understand the role Kentucky played in the events of the late nineteenth and early twentieth century, which saw a white supremacist version of Civil War memory eclipse an emancipationist version nationally. We have asked four nineteenth-century historians to consider Stanley\u27s book from varying perspectives. M. Keith Harris teaches history at a private high school in Los Angeles, California. He is the author of Across the Bloody Chasm: The Culture of Commemoration among Civil War Veterans (2014) and is currently writing a book on D. W. Griffith\u27s controversial 1915 silent film, The Birth of a Nation. Anne E. Marshall is an associate professor of history at Mississippi State University and the author of Creating a Confederate Kentucky: The Lost Cause and Civil War Memory in a Border State (2012). James Marten is professor and chair of the history department at Marquette University. His most recent books are Sing Not War: The Lives of Union and Confederate Veterans in Gilded Age America (2011) and America\u27s Corporal: James Tanner in War and Peace (2014). Kristopher Maulden is a visiting assistant professor of history at Columbia College in Missouri. He is completing a book manuscript on the influence of Federalist politics and federal policy in the Ohio River Valley, and he is engaged in a study of nineteenth-century Ohio newspaper editor Charles Hammond. Finally, the author of The Loyal West, Matthew E. Stanley, assistant professor of history at Albany State University, will respond to the reviews

    Historical Survey of the Lands within The Alamo Plaza - River Linkage Development Project

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    In December 1977 the Center for Archaeological Research, The University of Texas at San Antonio, entered into a contract with the City of San Antonio to compile a history of a section of the city bounded by Alamo Street, Crockett Street, the San Antonio River and Houston Street. Plans for the area include removal of a number of buildings and construction of a major hotel, a parking garage, and a park linking Alamo Plaza with the San Antonio River Walk. The area to be affected includes the sites of a number of important historical structures, including the southwest corner of Mission San Antonio de Valero and the site of one of the first commercial ice plants in the city. The document produced by this study is to be used as a basis for planning archaeological excavations in the area to be disturbed by construction. Research has been carried out by the authors under the supervision of Dr. Thomas R. Hester, Director of the Center and Jack Eaton, Assistant Director

    Archaeological Survey and Testing at Rancho de las Cabras, Wilson County, Texas

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    During summer 1980 a program of archaeological survey and testing was carried out by the Center for Archaeological Research, The University of Texas at San Anionio, for the Texas Parks and Wildlife Department at the site of Rancho de las Cabras near Floresville, Texas. The site is reputed to be the livestock ranch of Mission San Fran~isco de la Espada in the late 18th century. Large areas of the site were surveyed to determine if prehistoric sites were present. The limits of the historic occupation were determined through surface survey and shovel testing. Archaeological testing within and adjacent to the historic ruins located architectural and-cultural features which will need . further excavation and study. The depth and composition of the historic deposits throughout the site were tested and recorded. A map of the compound was prepared in cooperation with professional surveyors provided by the Parks and Wildlife Department. Recommendations for future historical and archaeological research are included in the report

    Archaeological and Historical Investigations at the Alamo North Wall San Antonio, Bexar County, Texas

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    In March 1979, the Center for Archaeological Research of The University of Texas at San Antonio conducted test excavations in the vicinity of the north wall of the Alamo within the second patio. A great deal of information was recovered about all phases of the development of the site, from the early eighteenth century through the restoration period in the early twentieth century. Information was recovered on the location and dimensions of defensive trenches and structures constructed in the north courtyard in preparation for the battles of late 1835 and March 1836. A human cranium recovered from the fill of a defensive trench has been identified as possibly a male about 17 to 23 years of age. The ethnic affiliation of the individual could not be positively determined, nor could the cause of death

    Mapping Lyman Continuum escape in Tololo 1247-232

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    Low redshift, spatially resolved Lyman continuum (LyC) emitters allow us to clarify the processes for LyC escape from these starburst galaxies. We use Hubble Space Telescope (HST) WFC3 and ACS imaging of the confirmed low-redshift LyC emitter Tol 1247-232 to study the ionization structure of the gas and its relation to the ionizing star clusters. We perform ionization parameter mapping (IPM) using [O III]4959, 5007 and [O II]3727 imaging as the high- and low-ionization tracers, revealing broad, large-scale, optically thin regions originating from the center, and reaching the outskirts of the galaxy, consistent with LyC escape. We carry out stellar population synthesis modeling of the 26 brightest clusters using our HST photometry. Combining these data with the nebular photometry, we find a global LyC escape fraction of f_esc = 0.12, with uncertainties also consistent with zero escape and with all measured f_esc values for this galaxy. Our analysis suggests that, similar to other candidate LyC emitters, a two-stage starburst has taken place in this galaxy, with a 12 Myr old, massive, central cluster likely having pre-cleared regions in and around the center, and the second generation of 2 - 4 Myr old clusters dominating the current ionization, including some escape from the galaxy.Comment: Accepted for publication in Ap

    [OIII] Emission and Gas Kinematics in a Lyman-alpha Blob at z ~ 3.1

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    We present spectroscopic measurements of the [OIII] emission line from two subregions of strong Lyman-alpha emission in a radio-quiet Lyman-alpha blob (LAB). The blob under study is LAB1 (Steidel et al. 2000) at z ~ 3.1, and the [OIII] detections are from the two Lyman break galaxies embedded in the blob halo. The [OIII] measurements were made with LUCIFER on the 8.4m Large Binocular Telescope and NIRSPEC on 10m Keck Telescope. Comparing the redshift of the [OIII] measurements to Lyman-alpha redshifts from SAURON (Weijmans et al. 2010) allows us to take a step towards understanding the kinematics of the gas in the blob. Using both LUCIFER and NIRSPEC we find velocity offsets between the [OIII] and Lyman-alpha redshifts that are modestly negative or consistent with 0 km/s in both subregions studied (ranging from -72 +/- 42 -- +6 +/- 33 km/s). A negative offset means Lyman-alpha is blueshifted with respect to [OIII], a positive offset then implies Lyman-alpha is redshifted with respect to [OIII]. These results may imply that outflows are not primarily responsible for Lyman alpha escape in this LAB, since outflows are generally expected to produce a positive velocity offset (McLinden et al. 2011). In addition, we present an [OIII] line flux upper limit on a third region of LAB1, a region that is unassociated with any underlying galaxy. We find that the [OIII] upper limit from the galaxy-unassociated region of the blob is at least 1.4 -- 2.5 times fainter than the [OIII] flux from one of the LBG-associated regions and has an [OIII] to Lyman-alpha ratio measured at least 1.9 -- 3.4 times smaller than the same ratio measured from one of the LBGs.Comment: submitted to Ap

    Neutral Gas Properties and Lyα\alpha Escape in Extreme Green Pea Galaxies

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    Mechanisms regulating the escape of Lyα\alpha photons and ionizing radiation remain poorly understood. To study these processes we analyze VLA 21cm observations of one Green Pea (GP), J160810+352809 (hereafter J1608), and HST COS spectra of 17 GP galaxies at z<0.2z<0.2. All are highly ionized: J1608 has the highest [O III] λ5007\lambda5007/[O II] λ3727\lambda3727 for star-forming galaxies in SDSS, and the 17 GPs have [O III]/[O II] 6.6\geq6.6. We set an upper limit on J1608's HI mass of logMHI/M=8.4\log M_{HI}/M_\odot=8.4, near or below average compared to similar mass dwarf galaxies. In the COS sample, eight GPs show Lyα\alpha absorption components, six of which also have Lyα\alpha emission. The HI column densities derived from Lyα\alpha absorption are high, logNHI/\log N_{HI}/cm2=1921^{-2}=19-21, well above the LyC optically thick limit. Using low-ionization absorption lines, we measure covering fractions (f_{\mbox{cov}}) of 0.110.1-1, and find that f_{\mbox{cov}} strongly anti-correlates with Lyα\alpha escape fraction. Low covering fractions may facilitate Lyα\alpha and LyC escape through dense neutral regions. GPs with f_{\mbox{cov}}\sim1 all have low neutral gas velocities, while GPs with lower f_{\mbox{cov}}=0.2-0.6 have a larger range of velocities. Conventional mechanical feedback may help establish low f_{\mbox{cov}} in some cases, whereas other processes may be important for GPs with low velocities. Finally, we compare f_{\mbox{cov}} with proposed indicators of LyC escape. Ionizing photon escape likely depends on a combination of neutral gas geometry and kinematics, complicating the use of emission-line diagnostics for identifying LyC emitters.Comment: 21 pages, 11 figures, accepted for publication in Ap

    Variability in Crassulacean Acid Metabolism: A Survey of North Carolina Succulent Species

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    This is the publisher's version, also available electronically from: http://www.jstor.org/stable/10.2307/2474765.The correlation between succulence and Crassulacean acid metabolism (CAM) was investigated in 28 succulent species growing in various habitats throughout North Carolina. Three species (Opuntia compressa^ Agave virginica, and Tillandsia usneoides) exhibited diurnal fluctuations in tissue titratable acidity, nighttime uptake of 1 4C02 , and a high carbon isotope ratio (513C), all indicators of CAM. Seven species displayed one or two characteristics of CAM in situ yet yielded lower 513C values, indicating a partial or total restriction of atmospheric CO2 uptake to the C3 photosynthetic system: Yucca gloriosa, Sesuvium maritimum, Talinum terettfolium, Diamorpha smallii, Sedum pusillum, Sedum nevii, and Sedum telephioides. Several of these species were apparently capable of utilizing the CAM pathway to fix internal respiratory CO2. The results emphasize that one photosynthetic pathway does not characterize all succulents in North Carolina
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