INTERNAL COMMUNICATIONS
493
The following t*ble gives a summary by porta of tha (hipping entered and cleared in 1918 and 1919 :—
Entered
Cltapad
Atlantic porta Gulf j>orU . Mexican Border ports Pacific ports . Jfortheru Lake ports
Total .
Tonaaci
1918
19,804,008
- ..: «
5,884,887
18,965,54*
Tonnage
1919
■Jo. s- 1.441 52,230
io,soMm
43.911,63'. 46,7.
51,256,651
According to nationality the vessels entered and cleared at United States ports in year ended June 31, 1920, were as follows : —
Flag
American .
Argentinian
Austrian
Belgian
Brazil
British
Chile .
Cuban
Danish
Dutch .
French
Bntered
Tons
21,98-2,662
Cleared
Tons
Flag
Entered
14,978
9,841
54
80
341,128
1
136,780
15,8s!
17.154
93,631
."■34,425
601,
908,500
- ,397
Tons
Tons
Ita.ian
Japanese
Norwegian .
Portuguese
Spanish
Swedish
-J. 502 118,400
1,131,7*6
Uruguayan Total of all
18.X8C
813,59]
Foreign
American and Foreign
24,769,012 26,584,575
4o,701,674 51,256,651
Internal Communications.
According to Poor's Railway Manual, the extent of railways in operation iu 1830 was 23 miles ; it rose to 52,922 miles in 1870; to 167,191 miles in 1890. According to the Interstate Commerce Commission's corresponding mileage, it was (vear ended on June 30) in 1900, 198,964 ; in 1910, 249,992 : in 1914,263,547 ; in 1915, 264,378 ; in 1916 (year ended December 31 „ 265,381 ; in 1917, 266,059 ; in 1918, 264,233. The ordinary gauge is 4 ft. 84 in.
The following table, based on the figures of the Interstate Commerce Commission, shows some railway statistics for 4 years : —
Mileage
viiac «/ i,-n. Railways having annual operating mues oi line revenues above 1,000,000 dollars
Tear
per 100 square miles of territory
Pe of 1 the 00 1 timber of Weight of freights population ! Passengers in tons
1911 1
1916 '-' 19178 19183
.251
253.
25-03
24.30 54-02
1,005, - 43,388
1,039,012,308
l,0o6,63S,474 35,053
i For year ended June 30. - For year ended December 31. The Interstate
ComMieree Commission changed its year from the fiscal to the calendar.