However, Santa Eulalia is located in the middle of a mountain range and the difficult terrain hindered the construction and expansion of the city; because of this, when in 1709 the governor of Nueva Vizcaya, Antonio de Deza y Ulloa, with the instruction to found the head of the Real de Minas visited the population, decided to convene 16 notable neighbors (miners, traders, government officials and priests) to resolve with them the desirability of setting up Santa Eulalia herself at the head of the Royal de Minas or founding for them a new population in the nearby valley where the rivers converged Rio Chuvíscar' Chuvíscar and Sacramento.