Maryland Geological Survey, Volume 6 (Google eBook)

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Johns Hopkins Press, 1906 - Geology
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Page 458 - Be it Enacted, by the Right Honourable the Lord Proprietary by and with the Advice and Consent of his Lordship's Governor and the Upper and Lower Houses of Assembly, and the Authority of the same, That Mr.
Page 507 - Tuckahoe to Tuckahoe Bridge thence with the said Creek to Great Choptank River and with the said River to the first Beginning at the Mouth of Hunting Creek shall be and is hereby erected into a new County by the Name of Caroline County.
Page 546 - River, thence with the channel of said river to Tangier Sound, or the intersection of Nanticoke and Wicomico Rivers, thence up the channel of the Wicomico River to the mouth of Wicomico Creek, thence with the channel of said creek and Passerdyke Creek to Dashield's or Disharoon's Mills, thence with the...
Page 200 - In 1761 the Governor and Council of Maryland reported to the Commissioners of the Board of Trade and Plantations in England that there were eighteen furnaces and ten forges in the state, which made 2,500 tons of pig iron per year. Just prior to the beginning of the Revolution several furnaces were built in central Maryland, among them being the Catoctin furnace in Frederick county. Bishop says that during the Revolutionary War...
Page 107 - ... the individual bands of which vary from a fraction of an inch to several feet, the average thickness, however, being quite slight. Some of these bands are highly quartzose, resembling a micaceous quartzite ; others are rich in biotite or hornblende, producing dark schists, which in a hand specimen are indistinguishable from metamorphosed igneous masses. Within the...
Page 440 - Examiners so present, or the major part of them, shall and they are hereby required to certify the same under their hands, in the form of 10 Number 1, in the Second Schedule to this Act annexed.
Page 527 - Plantation) then with the River to the Mouth of Mattawoman Creek, shall be and for ever hereafter deemed as a Part of Charles County. . . ." The second act passed in 1748 related to the erection of Frederick County from all the less settled portions of Prince George's County. According to this law it was enacted : "that all the land lying to the westward of a line beginning at the lower side of the mouth of Rock Creek and thence by a straight line joining to the east side of Seth Hyatts plantation,...
Page 29 - Outline of present knowledge of the physical features of Maryland, embracing an account of the physiography, geology, and mineral resources.
Page 385 - The wearing surface receives the shock of all traffic, and the materials for its construction must be carefully selected. The fundamental difficulty with all roads made of ordinary gravel is to be found in the fact that the fragments of the material cannot be made to bind together, however well they may be compressed by the use of the roller; the result is that the first condition of the roadway surface which should shed water like a roof is not obtained.
Page 382 - ... earth and 39,750 cubic yards of rock have been moved. It is interesting to note that, if this amount of material were to be transported by rail, it would require 101,200 cars and 5,055 locomotives, and would make a train 800 miles in length. GRADES. By far the most serious defect in the old town highways is the heavy grades. These are not only a tax on the user, but they are a constant and burdensome cost to the municipalities having to care for them. The wash of storm water is much greater on...

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