Evening star. [volume] (Washington, D.C.) 1854-1972, 1921-11-20
ROAD BUILDERS TURN BACK
TO "BLACK BASE" AS STANDARD
Asphaltic Concrete Of Broken Stone and
Cement Being Adopted as More
Economic and Lasting Type.

concrete base. five and one-half inches
thick, in two courses, and Tucson,
Ariz., is building 1t1,150 square feet
with two and one-half inch base and
55.575 square feet, with a three tand
one-half inch base and a one and one
half inch surface. Other new con-
tracts calling for bases and wearing
surface of the same materials are
Phoenix. Ariz., 1881 square feet;
Vancouver. Wash, s4.27s square feet
and Hanford, Cal. 241.070 square 1eet
The earliest type of black nase
was laid forty years ago IN WASH
ington, d. C.. Chicago. Omaha, fltes
burgh and Denver have been using II
with satisfaction for twenty years.
Great stretches of it are now IN use
, in British Columbia.
The cities of Sacramento. Fresno;
visalia, Hanford, Woodland. LODI ana
Santa Monica and the counties o,
Kings, Fresno. San Joaquin. Yolo and
Orange, in California, are using great
quantities of it and are hndins tne
cost of maintenance exceptionally
low.
Municipal Asphalt Plants.
The extent to which American
cities and other municipalities are
now doing their own street repair
work with the aid of their own as
to the Asphalt Association. New York
city, which show that there are IN
the United States ninety-six public
asphalt plants. Municipal plants are
to be found in the following cities:
Little Rock. Ark; Los Angeles, Gal Cal
! Washington, d. c.; Atlanta. Ga; Boise
Idaho: Chicago. Ill. CD: Indianapolis
Ind; Button. Ind: Fort Wayne, ino'
Topeka. Kans.: Munros city * Sy,:
Springfield. Mass: Fall River Mass;
New Bedford. Mass; Northampton,
Mass: Worcester. Mass; Flint. Mich.
Lansing, Mich; Detroit. Mich. (S); High
land Park. Mich; Minneapolis; MINI
ST. Paul. Mimi: Duluth, Mimi; jackson.
(2): Omaha. Neb.; Manchester. n H:
Atlantic City. N. j.; Newark, N. j.;
Bayonne, N. j.; Camden, N. j.: Trenton,
n. j.; Brooklyn, N. Y; Syracuse. n
Y; New York city 90: Niagara rams
\. Y: Elmira; n y; .schen neS gh; ~
Columbus. Ohio; Dayton. Ohio; Gin
cinnati, Ohio: Youngstown. Ohio;
Oklahoma City. Okla; Portland
Greg: HarrisoDburg. Pa: JohnstoWn
Pa; Erie. Pa; Pittsburgh. Pa: l2?i
Reading. Pa: scranton. Pa: Philadel-
R. L.: Nashville, Tenn; Memphis. Tenn.
worth. Tex; Roanoke, Va: Norfolk,
. Va: Portsmouth, Va; Seattle: wash ,
Spokane. Wash: Milwaukee, Wis; Su,
perior. Wis; San Francisco. Calf, and
Saginaw. Mich.
State highway departments owning
their own asphalt plants are those OF
Delaware. Illinois. Maryland, Michi'
gan. North Carolina. oregon. fennsyl,
vania, Tennessee, Texas. Utah and
Virginia. County highway depart
ments owning plants include Fulton
county. Ga; Fayette county, KY.
Monroe county, Mich, and Allegheny
county. Pa.
In Canada municipal asphalt plants
are to be found at Brantford. Ont.
Charlottetown, P. E. l.: Chatham
Ont; Hamilton, Ont; Kingston. Ont;
London, Ont: Montreal. P. Q. 90;
Ottawa. ont.;- st. Gatherings, Ont;
Sherbrooke. P. O.; Toronto, Ont; VIC
toria. B. c.: Winnipeg. Man.. and
Windsor, Ont.
The governments of Argentine
Ecuador, France and Peru also oper-
ate asphalt plants and one Is to be
found at Honolulu. H. I.