In 1856 the provincial land surveyor Albert Salter had located magnetic anomalies in the area that were strongly suggestive of mineral deposits , but his discovery aroused little attention .
The area was remote and inaccessible .
In 1856 the provincial land surveyor Albert Salter had located magnetic anomalies in the area that were strongly suggestive of mineral deposits , but his discovery aroused little attention because the area was remote and inaccessible .