 | Tobias Smollett - 1787 - 510 pagine
...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... | |
 | 1787 - 512 pagine
...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 - 1792 - 522 pagine
...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 - 1795 - 558 pagine
...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 pagine
...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 - 1803 - 388 pagine
...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...with the hill on both sides, is one solid rock of limestone. ...The arch approaches the serai-elliptical form ; ,but the larger axis of 'the ellipsis,... | |
 | Thomas Smith - 1804 - 356 pagine
...about sixty 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...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 - 1810 - 346 pagine
...sixty 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 pagine
...passage over it is about 60 feet wide, and the thickness of the mass at the summit of the arch about 40 feet. A part of this thickness is constituted by a...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 pagine
...passage over it is about 60 feet wide, 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, uhicli gives growth to many large trees. The residue, with the hill on both sides, is solid rock of... | |
| |
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,... 
