MEXICO  163
dye  and  many  cabinet  woods  abound  in  the
south.
Henequen-growing,  from  which  rope  is
made,  is  a  prosperous  and  profitable  industry
in  southern  Mexico.  Chicle,  the  gum  from  a
resinous  tree,  is  found  throughout  the  tropical
forests  of  the  country,  while  guayale,  a  sort  of
bastard  rubber,  is  being  grown  extensively.
Owing  to  the  troubled  condition  of  Mexico
for  the  past  few  years,  it  has  been  impossible
to  get  authentic  data  as  to  the  quantities  exported ­
  in  these  various  lines.
Over  $700,000,000  is  invested  in  mining  in
Mexico,  of  which  sum  $500,000,000  is  American, ­
  $90,000,000  English,  $10,000,000  French
and  $30,000,000  Mexican.
The  leading  minerals  exported  in  1912,  the
latest  records  available,  were:

Silver

Gold

Copper

Lead

Antimony

Zinc