Asphaltum as a Wood Stain
...hat actually contain asphaltum were not to be found at my local art supply store. You can get asphaltum in the form of non-fibered roofing cement but, for some mysterious reason, I can only find fibered roofing cement Los Angeles and those fibers mean that it won’t work as a wood stain. But a light bulb went off last week when I realized that asphaltum can be wild harvested at one of Los Angeles’ oddest tourist attractions, the La Brea Tar Pits. I...