| Job Title |
Relief-map Modeler |
| Job Description |
Makes Plaster Relief-map Models From Which Molds Are Prepared
To Produce Duplicate Scale Models Of Land Forms: Mixes Plaster,
Water, And Retarder In Container. Punches Holes In Map's
Surface, Using Stippler Or Scorer So That Plaster Will Adhere.
Pours Plaster Over Sea-level Contour Map, And Spreads It Evenly
Over Surface With Brush Or Spatula. Covers Drainage, River, And
City Lines With Transparent Media Or Leaves Border Without
Plaster To Preserve Lines. Builds Mound Or Elevation Of Plaster
Around Spot Elevation Pins, Leaving Pinhead Exposed. Observes
Printed Lines Indicating Contour Planes, And Consults Reference
Map To Ascertain Number, Elevations, And Shapes Of Contours To
Be Built Up With Plaster. Pours And Spreads Plaster On Contour
Planes Of Successively Higher Elevations. Fills With Plaster
Angles Formed By Contour Planes At Two Successive Elevations To
Achieve Natural And Realistic Surface Appearance. Removes Excess
Plaster And Smooths Surface Of Model With File And Sandpaper.
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