chart datum level | datum of charts

chart datum [ chart sounding datum | hydrographic datum | datum of chart | hydrographic zero ]

hydrographic chart [ nautical chart | navigational chart ]

hydrographic chart

nautical chart | hydrographic chart | chart | navigation chart | navigational chart

hydrographic charting

Canadian Hydrographic Mapping System

Commencing at the intersection of the low-water mark along the northerly shore of the St. Lawrence River with the southwesterly boundary of shore lot 248, according to the official cadastre for the parish of Saint-Joachim, in the registration division of Montmorency; thence southeasterly along the extension of that boundary approximately 731.52 m to a point on the straight line joining the light buoys designated V13 and V6 on Hydrographic Chart number 1232 on deposit with the Department of the Environment; thence easterly along that straight line to the light buoy designated V6 on that chart; thence northeasterly in a straight line to ...[+++]ward the light buoys designated K108 and K103 on that chart; thence northeasterly in a straight line to the light buoy designated K95 on that chart 1232, but ending abreast of Cap Brûlé; thence northwesterly in a line perpendicular to the low-water mark to Cap Brûlé along the northern shore of the St. Lawrence River; thence southwesterly along the low-water mark to the point of commencement, together with that portion of the right-of-way of the Canadian National Railways from Lot 58A of the official cadastre of the parish of Saint-Joachim, in the registration division of Montmorency, thence easterly to Cap Brûlé;

The first one we used was a CHS score, which was generated by analyzing the Canadian Hydrographic Service's nautical charts, specifically their level of service, which is based on risk that is highly correlated not only to the volume of traffic in the waterways but also to the demand by mariners, both commercial and recreational, on their charts.

· Ensuring adequate sources of information for crews and navigators, such as bathymetry, sea-bed mapping and hydrographical surveys, and incorporating this information into electronic nautical charts (e-navigation), especially for use by passenger ships.

supply, including on loan by libraries, of books on all physical means of support (including brochures, leaflets and similar printed matter, children’s picture, drawing or colouring books, music printed or in manuscript form, maps and hydrographic or similar charts), newspapers and periodicals, other than material wholly or predominantly devoted to advertising; ’;