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DOR nearly 4O f yeals Pioneer rootrng, water, proofing and insu, latin g products have been made in the West to meet the rigors of west, ern climates. Tod"y, as always, they are recognized as the West's best. Behind this justly deserved prefer, ence there must be quality !

The Pioneer €rrrblem is the seal of protection against both weather and inferior products. You will find this seal on a full line of roofings, building and insulating pa, pers, waterproot coatings and colrt, poundi and allied products. Be sure your stocks are complete!

Pioneer Paper Compeoy, Inc.

Established 1888

LOS ANGELES PORTLAND SAN FRANCISCO SEATTLE

Pioneer Manufactures a Complete Line of Roo/tngs anil Buililing PoPus