Versions of Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production on LawServer 2023 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2022 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2021 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2019 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2018 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2016 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2015 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2014 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2013 Nebraska Statutes 57-221. Oil and gas leases; pooling of acreage authorized; allocation of production 2010 Nebraska Statutes 57-221 – Oil and gas leases; pooling of acreage authorized; allocation of