Bayan shekaru da yawa na ƙuntataccen yankewa, an fara ƙoƙari na kiyayewa. A cikin shekarun 1920, aikin Redwoods League, wanda aka kafa a 1918 don adana tsofaffin tsofaffin tsofaffi, ya haifar da kafawar Prairie Creek, Del Norte Coast, da kuma Redwoods Smith Redwood Parks a tsakanin sauran. An halicci yawancin masu aikin katako da wasu sun zama masu hakar zinariya lokacin da ƙaramin zinariya ya kawo su zuwa yankin. Ba a yi nasara ba a kokarin da za su yi nasara da shi mai arziki a zinariya, waɗannan mutane sun juya zuwa girbi bishiyoyi masu girma don bunkasa ci gaba a San Francisco da sauran wurare a West Coast. Bayan shekaru da yawa na yankewa ba tare da iyakancewa ba, an fara ƙoƙari na kiyayewa.
2,000,000 da ake kira acres