f consequence east of Goose Creek, rises
in Prince William County and pursues a northern course, with some
meanderings through Loudoun. It flows into the Potomac about four
miles below the mouth of Goose Creek.
Sugarland Run, a still smaller stream, rises partly in Loudoun, though
its course is chiefly through Fairfax County, and empties into the
Potomac at the northeastern angle of the County.
In its southeastern angle several streams rise and pursue a southern
and southeastern course, and constitute some of the upper branches of
Occoquan River.
Perhaps no county in the State is better watered for all purposes,
except manufacturing in times of drought. Many of the farms might be
divided into fields of ten acres each and, in ordinary seasons, would
have water in each of them.
There are several mineral springs in the county of the class called
chalybeate, some of which contain valuable medicinal properties, and
other springs and wells that are affected with lime. Indeed, in almost
every part of the County, there is an exhaustless supply of the purest
spring water. This is due, in great part, to the porosity of the soil
which allows the water to pass freely into the earth, and the slaty
character of the rocks which favors its descent into the bowels of the
hills, from whence it finds its way to the surface, at their base, in
numberless small springs. The purity of these waters is borrowed from
the silicious quality of the soil.
The largest spring of any class in the county is Big Spring, a
comparatively broad expanse of water of unsurpassed quality, bordering
the Leesburg and Point of Rocks turnpike, about two miles north of
Leesburg.
The springs, as has been stated, are generally small and very
numerous, and many of them are unfailing, though liable to be affected
by drought. In such cases, by absorption and evaporation, the small
streams are frequently exhausted before uniting and often render the
larger ones too light for manufacturing purposes. Nevertheless, water
power is abundant; the county's diversified elevation giving
considerable fall to its water courses, and many sites are occupied.
CLIMATE.
Because responsible statistical data is usually accorded unqualified
credence, it is without undue hesitation that the following bit of
astonishing information, gleaned from a reliable source, is here set
down as positive proof of the excellence of Loudoun's climate: "It
(Leesburg) is located in a sec
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