of a single conspiracy involving 1,000 kilograms or more of marijuana. In part, this evidence included testimony by co-defendants Park, Swift, Bauman, Alarcon, Villareal, and Mussat. Their testimony was corroborated by recorded conversations, surveillance, seizures, and business records. Together, this evidence showed that Los and others had traveled to California to purchase marijuana, joined efforts to transport the marijuana to Kansas, and coordinated the delivery of marijuana after returning to Kansas. This evidence was sufficient to show formation of a conspiracy with a common goal between all of the participants to acquire and distribute marijuana. See United States v. Dickey, 736 F.2d 571, 582 (10th Cir. 1984); cf. United States v. Edwards, 69 F.3d 419, 431 (10th Cir. 1995) (<HOLDING>). Los counters that the government failed to
holding that a reasonable jury could have concluded based on repeated references to the substance as cocaine and testimony from witnesses who had used the substances which they believed to be cocaine that substance was cocaine holding that district court did not err in determining that cocaine base was crack cocaine based on chemical analysis identifying cocaine base together with competent lay testimony bridging the evidentiary gap between cocaine base and crack cocaine and refusing to require showing of smokeability ie water solubility or melting point for purposes of establishing crack cocaine under the guidelines since smokeability distinguishes cocaine base from powder cocaine not from crack holding that a prior conviction for using a communications device to facilitate the distribution of cocaine was admissible under rule 404b to prove that the defendant had the requisite intent to distribute cocaine holding that the term cocaine base in 21 usc  841b1 refers to cocaine in its chemically basic form which includes but is not limited to crack cocaine holding that unity of purpose was proven by evidence that the defendants had pooled resources to periodically travel to houston to purchase cocaine and divide the cocaine among the defendants upon return to tulsa