مفتاح الارض : Miftāḥ al-arẓ /
- لاہور : Lāhaur : ماسٹر پیارے لال : Māsṭar Pyāre Lāl, 1875.
- 136 p.
Physical geography--Miscellanea
Landforms --Study and teaching--Plane surveying
Ground surveying--Land--technology
Topographic maps--Travel--Human geography
526.9 M633 1875
Physical geography--Miscellanea
Landforms --Study and teaching--Plane surveying
Ground surveying--Land--technology
Topographic maps--Travel--Human geography
526.9 M633 1875