contour survey इन हिंदी

contour: ढांचा परिरेखा रूप

survey: आलेख पैमाइश करना

	1.	He said when Olympia first took over, basic data had to be re-established and a new contour survey had to be done.
	2.	The playground is not indicated on the 1922 South Brisbane City Council Sewerage Detail Plan of the area, nor on a 1949 contour survey of the park.

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