The tar oil pits were discovered by Gasper de Portola who was a Spanish explorer on 3rd of August 1769. The La Brea tar pits after discovery served as a natural illustration of the numerous oil leaks that existed in southern California and their relevance to the economy at the time of discovery. Before this discovery, the pits were unknown and therefore of less importance to the people. The La Brea Tar Pits reflect on the of oil production with a direct connection to the Spanish explorers whose efforts led to the discovery. It was a continuous process with the scientists later in the 1900 found the tar pit, which contained fossils in large numbers embedded at the foot of the Santa Monica Mountains. At first what appeared at the centers of excavation was asphalt. Continuous explorations made scientists to strike oil on 20th of April 1892. The historical revelation is directly linked to the La Brea Tar Pits which are still the sources of oil. The…show more content… Large numbers of the Spanish explorers were noted during the time of oil booms in effect of La Brea Tar Pits. The large numbers of tourists had a direct impact on the economy by improving the mining process and encouraging business between the locals and the other traders from their countries. The economy grew and developed especially the infrastructure of Los Angeles. At some point, the ship building process became the primary business at the Port of Los Angeles with over 80,000 people being employed. An improved economy led to the increase of the population. All the positive effects of the economic growth and development were attributed to the discovery of asphalt by the Spanish explorers and later on the discovery of large oil fields. The American city of Los Angeles continued to attract more visitors as the years progressed because of the historical La Brea Tar Pits that led to the discovery of oil