Credits

Photographs on this website are InterState Oil Company’s own, except where credited below.

Photographs

• “Pouring Oil to Engine” by Daniel Andraski, from Pexels, used under the Pexels License (Home page, Lubricants).

Map data

The Cardlock location maps are simplified, styled maps made for this website from:

• Base geography and regional roads: Natural Earth (public domain).
• Northern California highways: State Highway Network, California Department of Transportation (Caltrans), from the California Open Data Portal, under a Creative Commons Attribution license.

Typeface

Manrope, copyright 2018 The Manrope Project Authors, used under the SIL Open Font License.