1. Scattered throughout the mountain forests are many bushfires and geological conditions . 2. PGS sponsors one-day field trips that broaden the understanding of local geological conditions . 3. Unfavorable geological conditions have also scared off prospectors, but not Luskin. 4. Due to unstable geological conditions , it was decided to change the monument's location. 5. Unexpected geological conditions at the dam site led to landslides and slower tunnel excavation. 6. Construction was made more complicated because of difficult geological conditions . 7. Unusual geological conditions are considered necessary for commercial concentrations of helium in natural gas. 8. Due to the region s geological conditions , this is usual practice on the Middle Rhine. 9. The tunnel was bored in difficult geological conditions and high altitude, exceeding above sea level. 10. The company blamed deteriorating geological conditions there and continuing financial losses for the closure decision.