Land Design - extract Contour lines as curve geometry? - Lands

Is there a way to extract the contour lines from terrain as Rhino curves? I’d like to bring the line work into my illustrator file. Thanks!

Remote Sensing, Free Full-Text

Features - Lands Design

Create Contour Line - LAND4CAD Support

Free Landscape Design Software – gCADPlus

Parametric Terracing as Optimization of Controlled Slope Intervention

How does a topographic map show the land's elevation? - Quora

IJGI, Free Full-Text

Geometric sculpture - art of lines and dots

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1810.01175] Line Drawings from 3D Models: A Tutorial

IJGI, Free Full-Text