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Table 2. Field work technique and instruments   To carry out this observational study project, the researcher collected both primary and secondary data and computerized data using the Trilateration  topography of the area. Ground point control (GPC)  3.5. Data analysis techniques

Table 2 Field work technique and instruments To carry out this observational study project, the researcher collected both primary and secondary data and computerized data using the Trilateration topography of the area. Ground point control (GPC) 3.5. Data analysis techniques