916

LAWS OF MARYLAND.

ness where the principal office of said corporation
is located in this State.

Ores of
metals.

Sec. 21 — Class 8,For washing, dressing, smelt-
ing and otherwise preparing for and bringing to
market and selling the ores of all kinds of metals ;
provided, said corporations carry on their general
operations in this State, and have their principal
office therein.

Marble quar-
ries.

Sec. 22 — Class 9. For opening and working
quarries of marble, slate or other economic mine-
rals or mineral substances in this State, and for
the manufacturing thereof in this State, and for
the transportation or exportation and sale thereof.

Refining, &c.

Sec. 23 — Class 10. For boring for, opening,
using or refining petroleum, salt, or other mineral
springs in this State, and for boring for, opening,
using or refining in this State, other oils, where
the principal office of said corporation is located
in this State.

Telegraph
lines.

Sec. 24 — Class 11. For constructing, owning or
operating telegraph lines in this State, where the
principal office of said corporation is located in this
State.

Steam, sail or
other ships.

Sec. 25 — Class 12. For navigating the ocean by
steam, sail or other ships or vessels, and transpor-
tation of goods and passengers therein, where the
principal port of entry and departure thereof is
in the United States, and the principal business
office of said corporation is located in this State.

Adjoining
States.

Sec. 26 — Class 13. For navigating the waters of
this and adjoining States by steam, sail or other
boats or vessels, and for the transportation of
goods and passengers therein, where the principal
office of said corporation is located in this State.

Forwarding
or warehous-
ing business.

Sec. 27 — Class 14. For carrying on any forward-
ing or warehousing business in this State, and for
the construction, owning, chartering or leasing of
steamboats, wharves, docks, roads, vehicles or
other property required for the purpose of such
forwarding or warehousing business, where the
principal office of said corporation is located in this
State.

Sec. 28 — Class 15. For acquiring or constructing
and maintaining, selling, leasing or otherwise dis-