books مقلع طبوغرافية
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# topographic map
# topographic map analysis
# topographic measurements
# topographic symbols
# The concept of topographic maps
# Components of a topographic map
# Topographic Map Information
# Topographic Map Symbols
# Definition of a topographic map
# Margins of the topographic map
# Representation of elevations on a topographic map
# Relationship to topographic maps
# Draw a topographic map
# Abbreviations on topographic maps
# Topographic maps and geographical definitions
# Topographic Map Networks
# topographic engineering
# Topographic studies
# Topographic Map Guide
# Reading and using topographic maps
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Source: wikipedia.org
مقلع (طبوغرافية) (Info)
المقلع أو المحجر أو المعقل يحفره الإنسان في سطح الأرض لغرض استخراج موارد طبيعية باطنية مثل الرخام والجبس والحصى - أو الصخر نفسه - ويجب عدم الخلط بينه وبين «المنجم الذي يكون عميقًا - مكشوفًا أو مُغطّى - ويُستخرج منه المعادن والفحم».
![The Bibliography [biographical And Topographical] Of Ackworth School](/publice/covers_cache_jpg/21/b/f/5/4f73dbe978bf5dc7c6c90443553b29a6.jpg.jpg "The Bibliography [biographical And Topographical] Of Ackworth School")
