Niwot Crit
KEY: SW4 (NC-5132 to NC-5170), SW3 (NC-5174 to NC-5195), SM45 (NC-5196 to NC-5251), SM35/4 (NC-5253 to NC-5386), SM4 (NC-5387 to NC-5478), SM35 (NC-5480 to NC-5584), SW12 (NC-5633 to NC-5810), SM3 (NC-5811 to 6075), PRO 12 (NC-6076 to NC-6312).
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