The sun., 1912-08-04
Africa Opened Up and Polar Nysterc
Cleared-Few Unknown Regions
of the Earth Remaining

then make hlnnders Of his own ,Gs
maps OF the indian Survey Onlce are ,t
printing the height of Noun, Evcres.
as 23.0U2 feet, though the officers OF ;he
survey have positively asccrtained Iy
means Of six observations that The height
of the loftiest of mountains il NJ lea,,
29,liI feet. They say that sources Of
error Ia instrumental observations are
not yet entirely eliminated and they will
not change the long standing figures till
they are more certain than they ere now
that The results Of their ooml.lita .-ns
will endure
The hrgest unknown cxpanse outside
of the pol2r regions to-day i, supposed
TO he She great saEd waste oS the interior
of Arabia. Explorers now I'd then nj bic
around ii' edges and penetrate li,tle
way ino II without much reducing mel
area OF ~" unknown. Several explorers
are very des,rous 20 throw light on th.
part Of The world. but they receive lttle
encouragement at home because scms
hostile tribes inhabit this region and are
serious menace to eXpiorato orv enter
prise
The results Of A.ian exp,orati IN in The
last sixty years nave been very siGniicant
in material benefit and geographical
achieve tmen'. China. including Tibet
French lndo-C h;na. Central Asi? aud
Siberia have been brought. plainly inio
view by a myriad Of explorers G"o-
graphical research has been the bass
of Russis's vast development OF mining
in Siberia end the enormous growth Of
agriculture in the central and eastern
parts OF that country where hundreds
Of thou Of Russian emf grants are now
living.
Tho closed book of Tibet has been
opened wide and the loftest plateau
in the world is now known from end to ond.
The Russians are completing their scion
tific survey of the long Arctic coast o'
Siberia and explorers have found the
sources of tho Indus. the Brahmaputra The
iangtse kiang and the Hoang n, i
Grc;., deal yet remains to be done how
ever. before we shall have as corrro; IN
idea OF Asian as We have of African GOO
| raphy
Within The last two years especial alton
tion has been paid to tho study of The
northern or tropical parts of Australia
and 1t Is found that they promise to be an
f, increc sing source of wealth. All tropical
and many of the sub-tropical con,moii'ias
can be raised there and the oon,iuoo;l
is nursing the hope that The cotton she
needs will some day be raised, spun aud
woven al home. The vas, central desert
has been almost entirely revealed Ivy
explorers Of the last two generation.
Cu-io'isly enough there havo reccui.y
been new ruinors OF the finding of traces
o. the lost traveller Leichhardt, one of ne
most hriliiant Of tho early explorers Of
Australia. He was finally swallowed
up IN the desert and never saw the book.
now classic. he had written on his dis
coveries. which was sent 10 press Just
as he disappeared ON his way across Aus
tralia.
! The explorations o! the last sixty wears
nave so far completed our knowledge
of the world as to make possible the great
work that seven map making nations
have now taken in hand. the production
together of map of the whole world
on large scale and with the best resources
OF the photographic art.