In which type of survey, cadastral maps and aerial photographs are generally used as base material ?
किस प्रकार के सर्वेक्षण में कैडेस्ट्रल मानचित्र तथा वायवीय चित्रों का सामान्यतः आधार पदार्थ की तरह उपयोग होता है?
Official Agriculture Chemistry Soil Survey & Remote Sensing complete subject practice test — All questions across all syllabus chapters.
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