Nevada requires that statewide initiatives obtain a substantial number of signatures from each U.S. House district in the state. On March 14, the 9th circuit upheld the Nevada distribution requirement for initiative petitions. Angle v Miller, 10-16707. Here is the 20-page decision. The decision was not surprising. As noted in the decision, there are no precedents invalidating distribution requirements for statewide petitions, if the units are of equal population.