https://store.astm.org/b0228-04.html
B228 Standard Specification for Concentric-Lay-Stranded Copper-Clad Steel Conductors
copper clad steelstandard specificationconcentric
https://gis.data.ca.gov/datasets/CDFW::royal-tern-predicted-habitat-cwhr-b228-ds2156
Royal Tern Predicted Habitat - CWHR B228 [ds2156]
CWHR Predicted Habitat Suitability. This dataset represents areas of suitable habitat within the species ranges based on California Wildlife Habitat...
royal ternpredictedhabitat