Beginning in 1984, the Peak and Gorge Section of the Sierra Club’s Mother Lode Chapter published a newsletter called The Boulder. Copies of the Boulder can be found below.
| Year | Issue | Featured climbs/trips |
|---|---|---|
| 1984 | #1 – Jan/Feb | Mumford Bar |
| 1984 | #2 – Mar/Apr | Thompson Ridge, Mt Langley, Cirque Peak, Mt Price |
| 1984 | #3 – May/Jun | Mineral King, Snow Mountain, Sierra Buttes |
| 1984 | #4 – July/Aug | Mt Emma, Snow Mountain, Mt Williamson, Mt Tyndall, Black Buttes, Vandever Mountain |
| 1984 | #5 – Oct/Nov | Mt Brewer, Dicks Peak, Jacks Peak, Clouds Rest, Wheeler Peak, Mt Russell, Mt Carillon, Mt Whitney |
| 1984 | #6 – Nov/Dec | Red Mountain, Toulumne Peak, Mt. San Antonio, Mt Harwood, Cucamonga Peak, Mt. Baden-Powell |
| 1985 | #7 – Jan/Feb | Joshua Tree, Mt Gilbert, Mt Johnson, Providence Mountain, Eagle Mountain, Eureka Peak, Mt. Washington, Mt. Shasta |
| 1985 | #8 – Mar/Apr | Kingston Peak, Clark Mountain, Ski Mountaineers Peak, Mt Goode, Mount Kaweah, Mt Lippincott, Sawtooth Peak, Yosemite, Half Dome, Clouds Rest, Ebbets Pass, Highlands Peak, Silver Peak, Reynolds Peak, Mt Goddard, Tells Peak |
| 1985 | #9 – May | |
| 1985 | #10 – Jul/Aug | |
| 1985 | #11 – Sep/Oct | |
| 1985 | #12 – Nov/Dec | |
| 1986 | #13 – Jan/Feb | |
| 1986 | #14 – Mar/Apr | |
| 1986 | #15 – May/Jun | |
| 1986 | #16 – Jul/Aug | |
| 1986 | #17 – Sep/Oct | |
| 1986 | #18 – Nov/Dec | |
| 1987 | #19 – Jan/Feb | |
| 1987 | #20 – Mar/Apr | |
| 1987 | #21 – May/Jun | |
| 1987 | #22 – Jul/Aug | |
| 1987 | #23 – Sep/Oct | |
| 1987 | #24 – Nov/Dec | |
| 1988 | #25 – Jan/Feb | |
| 1988 | #26 – Mar/Apr | |
| 1988 | #27 – May/Jun | |
| 1988 | #28 – Sep/Oct | |
| 1988 | #29 – Nov/Dec | |
| 1989 | #30 – Feb | |
| 1989 | #31 – Jun | |
| 1989 | #32 – Sep/Oct | |
| 1989 | #33 – Nov/Dec | |
| 1990 | #34 – Jan/Feb | |
| 1990 | #35 – Mar/Apr | |
| 1990 | #36 – May/Jun | |
| 1990 | #37 – Jul/Aug | |
| 1990 | #38 – Sep/Oct | |
| 1990 | #39 – Nov/Dec | |
| 1991 | #40 – Jan/Feb | |
| 1991 | #41 – Mar/Apr | |
| 1991 | #42 – May/Jun | |
| 1991 | #43 – Jul/Aug | |
| 1991 | #44 – Sep/Oct | |
| 1991 | #45 – Nov/Dec | |
| 1992 | #46 – Jan/Feb | |
| 1992 | #47 – Mar/Apr | |
| 1992 | #48 – May/Jun | |
| 1992 | #49 – Jul/Aug | |
| 1992 | #50 – Sep/Oct | |
| 1992 | #51 – Nov/Dec | |
| 1993 | #52 – Jan/Feb | |
| 1993 | #53 – Mar/Apr | |
| 1993 | #54 – May/Jun | |
| 1993 | #55 – Jul/Aug | |
| 1993 | #56 – Sep/Oct | |
| 1993 | #57 – Nov/Dec | |
| 1994 | #58 – Jan/Feb | |
| 1994 | #59 – Mar/Apr | |
| 1994 | #60 – May/Jun | |
| 1994 | #61 – Jul/Aug | |
| 1994 | #62 – Sep/Oct | |
| 1994 | #63 – Nov/Dec | |
| 1995 | #64 – Jan/Feb | |
| 1995 | #65 – Mar/Apr | |
| 1995 | #66 – Jun/Jul | |
| 1995 | #67 – Aug/Sep | |
| 1995 | #68 – Nov/Dec | |
| 1996 | #69 – Jan/Feb | |
| 1996 | #70 – Mar/Apr | |
| 1996 | #71 – Jun/Jul | |
| 1996 | #72 – Aug/Sep | |
| 1996 | #73 – Oct/Nov | |
| 1997 | #74 – Nov/Jan | |
| 1997 | #75 – Apr/May | |
| 1997 | #76 – Feb/Mar | |
| 1997 | #77 – Jun/Aug | |
| 1997 | #78 – Sep/Oct | |
| 1997 | #79 – Nov/Dec | |
| 1998 | #80 – Jan/Feb | |
| 1998 | #81 – Apr/Jun | |
| 1998 | #82 – Dec |