Soil Survey

Reconnaissance Soil Survey Gujranwala Area Gujranwala and Sialkot Dist Diretorate of Soil 1968 Reconnaissance Soil Survey Gurat District Directorate of Soil 1967 Reconnaissance Soil Survey Kirana Bar and Jhelum Plain Sargodha Distr Directorate of Soil 1966 Reconnaissance Soil Survey Lahore District Directorate of Soil 1968 Reconnaissance Soil Survey Lyallpur Area Sandal Bar and Kamalia Plain Directorate of Soil Survey 1967 Reconnaissance Soil Survey Peshawar V ale Peshawae and Mardan District Directorate of Soil 1967 Reconnaissance Soil Survey Rawalpindi Area Directorate of Soil 1967 Reconnaissance Soil Survey Sheikhupura Area Directorate of Soil Survey 1968 Soil survey and land evaluation Dent, David 1981 The nature of mathematical knowledge Kitche, Philip 1983