HERBERT R. O'CONOR, GOVERNOR. 1773

shall show the co-ordinates for each corner of each avenue,
road, or street intersection and the tangent point of all curved
lines shown on said plat, and shall show accurately the dimen-
sions of each lot. No distance on the plat shall be marked,
more or less, except on lines which begin or terminate or bind
on a marsh, stream or any body of water. The plat shall show
the position by co-ordinates of not less than four markers set
in convenient places on the sub-division in such manner that
from the position of one marker the position of one other
marker will be visible. These markers shall be made of hard
durable stone or of concrete three feet of which shall be planted
into the ground. From these markers, commonly called "tra-
verse points" all corners and lines can be readily calculated
and marked on the ground. If the sub-division lies in an area
where a traverse or co-ordinate system is already established
and the traverse points of said system can be found and used,
such points so used and the co-ordinate values thereof shall be
marked on the plat, then the meridian courses and distances
and co-ordinates required by this Act shall be shown on the
plat in accordance with those of the already established tra-
verse or co-ordinate system, and no markers will be required,
but all other requirements of this Act shall be complied with.
A certificate, stating that the requirements of this Act, as far
as it concerns the making of the plat and setting of the
markers, has been complied with, shall be put on the plat and
signed by the owner or owners of the land shown thereon. The
plat shall be signed and sealed by a registered Land Surveyor,
of a registered Professional Engineer.

72C. The maker of the said plat or plats, when the same
shall be presented for record, shall furnish the Clerk of the
Circuit Court two copies of such plat or plats and shall pay
to the Clerk a fee of five dollars for each plat so offered. One
copy shall be by said Clerk securely fastened in the book pro-
vided by said Clerk for that purpose, or recorded in the manner
provided by law for the filing and recording of such plat. One
copy shall promptly be sent, with one-half of the filing fee,
to the Commissioner of the Land Office, who shall number and
file the same as a part of the substance records of his office,
and notify the Clerk of the number so given. In any county in
which a copy of such plats is required by law to be filed for
the use of the Supervisor of Assessments, the maker of said
plat shall furnish an additional copy thereof to the Clerk for
such purpose. The Commissioner of the Land Office shall
furnish, free of cost, to any of the supervisors of assessments
of this State, a copy of such plat on request. Nothing in this
section shall affect any recording fee of the Clerk of the Court
under any local legislation prescribing recording fees of plats
of sub-divisions. The several clerks aforesaid and the Com-