| 1. | Editor of the publication | |
| Pages 5-5 | ||
| MOHAMMAD MAHDI POURHANIFEH | ||
| 2. | Exploitation of deep waters and their vulnerability | |
| Pages 6-14 | ||
| ABBAS RAHDAN; MOZHGAN YARAHMADI; LEYLA GHASEMI | ||
| 3. | Investigation of water balance in Iran; Status and challenges | |
| Pages 15-24 | ||
| MOHAMMAD SADEGH ROHBANI | ||
| 4. | Investigating the destructive effect of Hystrix indica on pine trees in Khajir National Park and providing a solution to control it | |
| Pages 25-31 | ||
| OMID KIANI | ||
| 5. | Preparation of digital height model and landform unit map from topographic map (second part) | |
| Pages 32-40 | ||
| AMIR REZA ESFANDIAR | ||
| 6. | TAGH PLUS | |
| Pages 41-46 | ||
| MOHAMMAD SADEGH ROHBANI; MOHAMMAD MAHDI POURHANIFEH | ||
| 7. | Interview with Dr. Hassan Ahmadi (retired faculty member and professor of the Faculty of Natural Resources, University of Tehran) | |
| Pages 47-50 | ||
| SEYEDEH MARYAM MOSAVI; SARA ADIB | ||