Prince George's County

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Johns Hopkins Press, 1911 - 235 Seiten
 

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Seite 35 - HAYDEN, HH Geological Essays ; or an Inquiry into some of the Geological Phenomena to be found in various parts of America and elsewhere.
Seite 191 - September 21, and the average date of the last killing frost in the spring is May 14.
Seite 46 - CONRAD, TA Catalogue of the Eocene and Oligocene Testacea of the United States. Amer. Jour. Conch., vol. i, 1865, pp. 1-35.
Seite 35 - ... of the United States, from a personal inspection of some of its strata, and the perusal of most of the publications •which bear a reference to it, I wish to suggest that what is termed the alluvial formation in the geological maps of Messrs. Maclure and Cleveland is identical and contemporaneous with the newer Secondary and Tertiary formations of France, England, Spain, Germany, Italy, Hungary, Poland, Iceland, Egypt, and Hindostan.
Seite 51 - The mineral springs of the United States: Bull. US Geol. Survey No. 32, 1886.
Seite 44 - BAILEY, JW On the Origin of Greensand, and its formation in the oceans of the present epoch.
Seite 63 - Outline of present knowledge of the physical features of Maryland, embracing an account of the physiography, geology, and mineral resources.
Seite 159 - ... similar rocks, constitutes the principal soil type of this entire region. It occupies large areas in the western part of Cecil County, in Harford, Baltimore, Howard, and Montgomery counties, and a smaller area in Carroll County. The surface soil is a loam or heavy sandy loam of a brown or yellow color, having a depth of about 10 inches. It is underlain by a heavy loam or silt loam of a reddish-yellow color. Both soil and subsoil frequently contain fragments of quartz and of the partially decomposed...
Seite 23 - That from and after the Tenth Day of December, in the year One thousand seven hundred and forty eight the Land lying at...
Seite 23 - Beginning at the lower Side of the Mouth of Rock Creek, and thence by a strait Line joining to the East Side of Seth Hyatt's Plantation, to Patuxent River...

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