 | Tobias Smollett - English literature - 1787 - 510 pages
...thicknefs of the mafs at the Cum in it of the arch, about 40 feet. A part of this thicknefs is conflituted by a coat of earth, which gives growth to many large trees. The refidue, with the hills on both fides, is one folid rock of lime-Hone. The arch approaches the femi-elliptical... | |
 | Books and bookselling - 1787 - 512 pages
...of the rçiafs at the fummjt of the arch, about 40 feet.' A part of this thick'nefs is conftituted by a coat of earth, which gives growth to many large trees. The refidue, with the hill on both fides, is one (olid rock of limeftorie. The arch approaches the fëmi-elliptical... | |
 | Jedidiah Morse - United States - 1792 - 522 pages
...thicknefs of the mais at the fummit of the arch, about 40 feet. A part of this thicknefs is conflituted by a coat of earth, which gives growth to many large trees. The rcfidue, with the hill on both fides, is one folid rock of lime-flone. The arch approaches the femi-ellipticnl... | |
 | William Winterbotham - America - 1795 - 558 pages
...forty feet, but more at the ends, and ninety feet at the top. A part of this thicknefs is conltituted by a coat of earth, which gives growth to many large trees. The refidue, with the hilf on both fides, is folid rock of lime-ftone. The arch approaches the femielliptical... | |
 | Miscellanea Perthensis - 1801 - 242 pages
...thickneft of ths mafs at the fummit of the arch, about 40 feet. A part of this thickncfj in conflituted by a coat of earth, which gives growth to many large trees. The reft-' due, with the hill on both fides is folid rock of limeftont". The arch approaches the femi-elliptical... | |
 | Thomas Jefferson - Indians of North America - 1803 - 388 pages
...height from the water. Its breadth in; tha mid,dle, is about 60 feet,, but more at the ends, and the thickness of the mass, at the summit of the arch,...solid rock of limestone. ...The arch approaches the serai-elliptical form ; ,but the larger axis of 'the ellipsis, which would be the chord of the arch,... | |
 | Thomas Smith - Civilization - 1804 - 356 pages
...feet, but :oore at the ends, and the thickness of the mass at the summit of the' arch is about forty feet. A part of this thickness is constituted by a coat of earth, which gives growth to many large tree? ; and the residue, with the hill on both sides, is one solid rock of lime-stone. Thearch approaches... | |
 | Thomas Branagan - Handbooks, vade-mecums, etc - 1810 - 346 pages
...feet, but more at the ends ; and the thickness of the mass, at the summit of the arch, above forty feet. A part of this thickness is constituted by a coat of earth, which give's growth to many large trees : the residue, with the hill on both sides, is one solid rock of... | |
 | Edward T W. Polehampton - 1815 - 546 pages
...bottom about 50 feet, and at top about f)0 feet ; the passage over it is about 60 feet wide, and the thickness of the mass at the summit of the arch about...many large trees. The residue, with the hill on both sid«s, is solid rock of lime-stone. The arch approaches the semi-elliptical form, but the larger axis... | |
 | Edward Polehampton - 1815 - 540 pages
...bottom about 50 feet, and at top ;:bout 90 teet ; the passage over it is about 60 feet wide, and the thickness of the mass at the summit of the arch about...this thickness is constituted by a coat of earth, uhicli gives growth to many large trees. The residue, with the hill on both sides, is solid rock of... | |
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Its breadth in the middle is about 60 feet, but more at the ends, and the thickness of the mass at the summit of the arch, about 40 feet. A part of this thickness is constituted by a coat of earth, which gives growth to many large trees. The residue,... 
