@misc{wiegersGeologicMapMorro2009a,
  title = {Geologic {{Map}} of the {{Morro Bay South}} 7.5' {{Quadrangle}}},
  author = {Wiegers, Mark},
  date = {2009},
  organization = {California Geological Survey},
  url = {https://www.conservation.ca.gov/cgs/maps-data/rgm/preliminary#slo}
}

@book{Mussett_Khan_Button_2000, place={Cambridge}, title={Looking into the Earth: An Introduction to Geological Geophysics}, publisher={Cambridge University Press}, author={Mussett, Alan E. and Khan, M. Aftab and Button, Sue}, year={2000}}